185 lines
8.2 KiB
JSON
185 lines
8.2 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-2026-23901",
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"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
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"state": "PUBLISHED",
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"assignerShortName": "apache",
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"dateReserved": "2026-01-17T18:01:53.140Z",
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"datePublished": "2026-02-10T09:25:51.765Z",
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"dateUpdated": "2026-02-10T15:31:25.166Z"
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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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"collectionURL": "https://repo.maven.apache.org/maven2",
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"defaultStatus": "unaffected",
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"packageName": "org.apache.shiro:shiro-core",
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"product": "Apache Shiro",
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"vendor": "Apache Software Foundation",
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"versions": [
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{
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"lessThan": "2.0.7",
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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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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "4ra1n"
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},
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{
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"lang": "en",
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"type": "finder",
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"value": "Y4tacker"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "lprimak"
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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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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Observable Timing Discrepancy vulnerability in Apache Shiro.</p><p>This issue affects Apache Shiro: from 1.*, 2.* before 2.0.7.</p><p>Users are recommended to upgrade to version 2.0.7 or later, which fixes the issue.</p>Prior to Shiro 2.0.7, code paths for non-existent vs. existing users are different enough,<br>that a brute-force attack may be able to tell, by timing the requests only, determine if<br>the request failed because of a non-existent user vs. wrong password.<br><br>The most likely attack vector is a local attack only.<br>Shiro security model <a target=\"_blank\" rel=\"nofollow\" href=\"https://shiro.apache.org/security-model.html#username_enumeration\">https://shiro.apache.org/security-model.html#username_enumeration</a> discusses this as well.<br><br>Typically, brute force attack can be mitigated at the infrastructure level."
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}
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],
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"value": "Observable Timing Discrepancy vulnerability in Apache Shiro.\n\nThis issue affects Apache Shiro: from 1.*, 2.* before 2.0.7.\n\nUsers are recommended to upgrade to version 2.0.7 or later, which fixes the issue.\n\nPrior to Shiro 2.0.7, code paths for non-existent vs. existing users are different enough,\nthat a brute-force attack may be able to tell, by timing the requests only, determine if\nthe request failed because of a non-existent user vs. wrong password.\n\nThe most likely attack vector is a local attack only.\nShiro security model https://shiro.apache.org/security-model.html#username_enumeration discusses this as well.\n\nTypically, brute force attack can be mitigated at the infrastructure level."
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "YES",
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"Recovery": "AUTOMATIC",
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"Safety": "NEGLIGIBLE",
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"attackComplexity": "HIGH",
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"attackRequirements": "PRESENT",
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"attackVector": "LOCAL",
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"baseScore": 1,
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"baseSeverity": "LOW",
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"privilegesRequired": "LOW",
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"providerUrgency": "GREEN",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "LOW",
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"subIntegrityImpact": "NONE",
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"userInteraction": "ACTIVE",
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"valueDensity": "CONCENTRATED",
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"vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/S:N/AU:Y/R:A/V:C/RE:L/U:Green",
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"version": "4.0",
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"vulnAvailabilityImpact": "NONE",
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"vulnConfidentialityImpact": "LOW",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "LOW"
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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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"other": {
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"content": {
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"text": "low"
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},
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"type": "Textual description of severity"
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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-208",
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"description": "CWE-208 Observable Timing Discrepancy",
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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": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
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"shortName": "apache",
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"dateUpdated": "2026-02-10T09:25:51.765Z"
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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://lists.apache.org/thread/mm1jct9b86jvnh3y44tj22xvjtx3xhhh"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"title": "Apache Shiro: Brute force attack possible to determine valid user names",
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"x_generator": {
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"engine": "Vulnogram 0.2.0"
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}
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},
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"adp": [
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "http://www.openwall.com/lists/oss-security/2026/02/08/2"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2026-02-10T10:22:44.721Z"
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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": "2026-02-10T15:31:09.515973Z",
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"id": "CVE-2026-23901",
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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": "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": "2026-02-10T15:31:25.166Z"
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}
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}
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]
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}
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} |