373 lines
15 KiB
JSON
373 lines
15 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveMetadata": {
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"state": "PUBLISHED",
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"cveId": "CVE-2026-40355",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"assignerShortName": "mitre",
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"dateUpdated": "2026-11-10T12:45:52.453Z",
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"dateReserved": "2026-04-11T00:00:00.000Z",
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"datePublished": "2026-04-28T00:00:00.000Z"
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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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"product": "Kerberos 5",
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"vendor": "MIT",
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"versions": [
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{
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"lessThan": "1.22.3",
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"status": "affected",
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"version": "1.18",
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"versionType": "custom"
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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": "In MIT Kerberos 5 (aka krb5) before 1.22.3, there is a NULL pointer dereference if an application calls gss_accept_sec_context() on a system with a NegoEx mechanism registered in /etc/gss/mech. An unauthenticated remote attacker can trigger this, causing the process to terminate in parse_nego_message."
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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": "HIGH",
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"baseScore": 5.9,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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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:N/I:N/A:H",
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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-476",
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"description": "CWE-476 NULL Pointer Dereference",
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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": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"shortName": "mitre",
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"dateUpdated": "2026-04-28T05:13:30.215Z"
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},
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"references": [
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{
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"url": "https://web.mit.edu/kerberos/advisories/"
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},
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{
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"url": "https://cems.fun/2026/04/27/krb5-two-unauthenticated-network-vulnerabilities.html"
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},
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{
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"url": "https://github.com/krb5/krb5/commit/2e75f0d9362fb979f5fc92829431a590a130929f"
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}
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],
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"source": {
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"discovery": "INTERNAL"
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},
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"x_generator": {
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"engine": "enrichogram 0.0.1"
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},
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "1.18",
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"versionEndExcluding": "1.22.3"
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}
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]
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}
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]
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}
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]
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://cems.fun/2026/04/27/krb5-two-unauthenticated-network-vulnerabilities.html",
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"tags": [
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"exploit"
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]
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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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"type": "ssvc",
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"content": {
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"timestamp": "2026-04-28T12:53:15.785781Z",
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"id": "CVE-2026-40355",
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"options": [
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{
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"Exploitation": "poc"
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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": "partial"
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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": "2026-04-28T12:53:20.352Z"
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}
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},
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{
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"x_adpType": "supplier",
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"providerMetadata": {
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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"shortName": "siemens-SADP",
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"dateUpdated": "2026-11-10T12:45:52.453Z"
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},
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"affected": [
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.6",
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"lessThan": "*",
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"versionType": "custom"
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}
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"defaultStatus": "unknown"
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{
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"vendor": "Siemens",
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"versions": [
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{
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"vendor": "Siemens",
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"versions": [
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{
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{
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