281 lines
12 KiB
JSON
281 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-24031",
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"assignerOrgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
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"state": "PUBLISHED",
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"assignerShortName": "OX",
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"dateReserved": "2026-01-20T14:56:25.872Z",
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"datePublished": "2026-03-27T08:10:18.100Z",
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"dateUpdated": "2026-07-15T01:17:37.386Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"modules": [
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"core"
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],
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"product": "OX Dovecot Pro",
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"vendor": "Open-Xchange GmbH",
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"versions": [
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{
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"lessThanOrEqual": "3.1.0",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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},
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{
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"lessThanOrEqual": "2.4.0",
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"status": "affected",
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"version": "0",
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"versionType": "semver"
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear auth_username_chars. If this is not possible, install latest fixed version. No publicly available exploits are known."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 7.7,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
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"version": "3.1"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-89",
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"description": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')",
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"lang": "en",
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"type": "cwe"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "8ce71d90-2354-404b-a86e-bec2cc4e6981",
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"shortName": "OX",
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"dateUpdated": "2026-03-27T12:33:25.301Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory"
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],
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"url": "https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0001.json"
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}
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],
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"source": {
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"defect": "DOV-8781",
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"discovery": "EXTERNAL"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-03-27T19:40:25.458839Z",
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"id": "CVE-2026-24031",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-03-27T19:40:35.437Z"
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}
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},
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{
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"affected": [
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{
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:10"
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],
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"defaultStatus": "unaffected",
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"packageName": "dovecot",
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"product": "Red Hat Enterprise Linux 10",
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"vendor": "Red Hat"
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},
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{
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:6"
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],
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"defaultStatus": "affected",
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"packageName": "dovecot",
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"product": "Red Hat Enterprise Linux 6",
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"vendor": "Red Hat"
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},
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{
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:7"
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],
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"defaultStatus": "unaffected",
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"packageName": "dovecot",
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"product": "Red Hat Enterprise Linux 7",
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"vendor": "Red Hat"
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},
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{
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:8"
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],
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"defaultStatus": "unaffected",
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"packageName": "dovecot",
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"product": "Red Hat Enterprise Linux 8",
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"vendor": "Red Hat"
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},
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{
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"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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"cpes": [
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"cpe:/o:redhat:enterprise_linux:9"
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],
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"defaultStatus": "unaffected",
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"packageName": "dovecot",
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"product": "Red Hat Enterprise Linux 9",
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"vendor": "Red Hat"
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}
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],
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"datePublic": "2026-03-27T08:10:18.100Z",
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in Dovecot. When the `auth_username_chars` configuration is cleared by an administrator, it creates an authentication bypass vulnerability. This allows a remote attacker to gain unauthorized access to user accounts and enumerate valid usernames."
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}
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],
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"metrics": [
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{
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"other": {
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"content": {
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"namespace": "https://access.redhat.com/security/updates/classification/",
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"value": "Important"
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},
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"type": "Red Hat severity rating"
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}
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},
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 7.7,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
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"version": "3.1"
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"format": "CVSS"
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-89",
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"description": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"references": [
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{
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"tags": [
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"vdb-entry",
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"x_refsource_REDHAT"
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],
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"url": "https://access.redhat.com/security/cve/CVE-2026-24031"
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},
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{
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"name": "RHBZ#2452181",
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"tags": [
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"issue-tracking",
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"x_refsource_REDHAT"
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],
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2452181"
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},
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{
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"tags": [
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"x_sadp-csaf-vex"
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],
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"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24031.json"
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}
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],
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"timeline": [
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{
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"lang": "en",
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"time": "2026-03-27T09:02:06.766Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2026-03-27T08:10:18.100Z",
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"value": "Made public."
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}
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],
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"title": "dovecot: Dovecot: Authentication bypass and user enumeration due to cleared auth_username_chars configuration",
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"x_adpType": "supplier",
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"x_generator": {
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]
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}
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} |