178 lines
7.0 KiB
JSON
178 lines
7.0 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-2025-12421",
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"assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
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"state": "PUBLISHED",
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"assignerShortName": "Mattermost",
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"dateReserved": "2025-10-28T16:54:12.491Z",
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"datePublished": "2025-11-27T17:47:04.944Z",
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"dateUpdated": "2026-02-26T16:07:25.754Z"
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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": "Mattermost",
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"vendor": "Mattermost",
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"versions": [
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{
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"lessThanOrEqual": "11.0.2",
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"status": "affected",
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"version": "11.0.0",
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"versionType": "semver"
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},
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{
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"lessThanOrEqual": "10.12.1",
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"status": "affected",
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"version": "10.12.0",
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"versionType": "semver"
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},
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{
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"lessThanOrEqual": "10.11.4",
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"status": "affected",
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"version": "10.11.0",
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"versionType": "semver"
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},
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{
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"lessThanOrEqual": "10.5.12",
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"status": "affected",
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"version": "10.5.0",
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"versionType": "semver"
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},
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{
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"version": "11.1.0",
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"status": "unaffected"
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},
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{
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"version": "11.0.3",
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"status": "unaffected"
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},
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{
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"version": "10.12.2",
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"status": "unaffected"
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},
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{
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"version": "10.11.5",
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"status": "unaffected"
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},
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{
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"version": "10.5.13",
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"status": "unaffected"
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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": "daw10"
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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": "Mattermost versions 11.0.x <= 11.0.2, 10.12.x <= 10.12.1, 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to to verify that the token used during the code exchange originates from the same authentication flow, which allows an authenticated user to perform account takeover via a specially crafted email address used when switching authentication methods and sending a request to the /users/login/sso/code-exchange endpoint. The vulnerability requires ExperimentalEnableAuthenticationTransfer to be enabled (default: enabled) and RequireEmailVerification to be disabled (default: disabled)."
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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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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
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"baseSeverity": "CRITICAL",
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"baseScore": 9.9
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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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"lang": "en",
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"type": "CWE",
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"description": "CWE-303: Incorrect Implementation of Authentication Algorithm",
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"cweId": "CWE-303"
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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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"url": "https://mattermost.com/security-updates"
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}
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],
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"solutions": [
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{
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"value": "Update Mattermost to versions 11.1.0, 11.0.3, 10.12.2, 10.11.5, 10.5.13 or higher.",
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"lang": "en"
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}
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],
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"source": {
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"advisory": "MMSA-2025-00544",
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"defect": [
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"https://mattermost.atlassian.net/browse/MM-66299"
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],
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"discovery": "EXTERNAL"
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},
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"title": "Account Takeover via Code Exchange Endpoint",
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"providerMetadata": {
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"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
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"shortName": "Mattermost",
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"dateUpdated": "2025-11-27T17:47:04.944Z"
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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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"id": "CVE-2025-12421",
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"role": "CISA Coordinator",
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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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"version": "2.0.3",
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"timestamp": "2025-12-02T04:55:57.705451Z"
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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": "2026-02-26T16:07:25.754Z"
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}
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}
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]
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}
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} |