{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-27591", "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "state": "PUBLISHED", "assignerShortName": "facebook", "dateReserved": "2025-03-03T11:36:32.537Z", "datePublished": "2025-03-11T18:29:21.569Z", "dateUpdated": "2025-03-21T20:38:10.292Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "below", "vendor": "Meta Platforms, Inc", "versions": [{"lessThan": "0.9.0", "status": "affected", "version": "0.0.0", "versionType": "semver"}]}], "dateAssigned": "2025-03-03T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below. This could have allowed local unprivileged users to escalate to root privileges through symlink attacks that manipulate files such as /etc/shadow."}], "problemTypes": [{"descriptions": [{"description": "Incorrect Permission Assignment for Critical Resource (CWE-732)", "lang": "en"}]}], "providerMetadata": {"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook", "dateUpdated": "2025-03-11T18:29:21.569Z"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.facebook.com/security/advisories/cve-2025-27591"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3"}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2025/03/12/1"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-03-12T13:08:26.252Z"}}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-03-21T20:37:38.689510Z", "id": "CVE-2025-27591", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-21T20:38:10.292Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2025/03/12/1"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-03-12T13:08:26.252Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-27591", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-03-21T20:37:38.689510Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-21T20:38:05.523Z"}}], "cna": {"affected": [{"vendor": "Meta Platforms, Inc", "product": "below", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "0.9.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.facebook.com/security/advisories/cve-2025-27591", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3", "tags": ["x_refsource_MISC"]}], "dateAssigned": "2025-03-03T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below. This could have allowed local unprivileged users to escalate to root privileges through symlink attacks that manipulate files such as /etc/shadow."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect Permission Assignment for Critical Resource (CWE-732)"}]}], "providerMetadata": {"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "shortName": "facebook", "dateUpdated": "2025-03-11T18:29:21.569Z"}}}, "cveMetadata": {"cveId": "CVE-2025-27591", "state": "PUBLISHED", "dateUpdated": "2025-03-21T20:38:10.292Z", "dateReserved": "2025-03-03T11:36:32.537Z", "assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827", "datePublished": "2025-03-11T18:29:21.569Z", "assignerShortName": "facebook"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:facebook:below:*:*:*:*:*:rust:*:*", "matchCriteriaId": "C449F323-7BC8-4478-B91A-BD2D62CF9365", "versionEndExcluding": "0.9.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below. This could have allowed local unprivileged users to escalate to root privileges through symlink attacks that manipulate files such as /etc/shadow."}, {"lang": "es", "value": "En el servicio Below exist\u00eda una vulnerabilidad de escalada de privilegios antes de la versi\u00f3n v0.9.0 debido a la creaci\u00f3n de un directorio con permisos de escritura para todo el mundo en /var/log/below. Esto podr\u00eda haber permitido que usuarios locales sin privilegios escalaran a privilegios de superusuario mediante ataques de enlaces simb\u00f3licos que manipulan archivos como /etc/shadow."}], "id": "CVE-2025-27591", "lastModified": "2025-07-03T14:40:01.117", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 4.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-03-11T19:15:43.390", "references": [{"source": "cve-assign@fb.com", "tags": ["Patch"], "url": "https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3"}, {"source": "cve-assign@fb.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.facebook.com/security/advisories/cve-2025-27591"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List"], "url": "http://www.openwall.com/lists/oss-security/2025/03/12/1"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}