{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-29T21:00:13.877","vulnerabilities":[{"cve":{"id":"CVE-2025-27591","sourceIdentifier":"cve-assign@fb.com","published":"2025-03-11T19:15:43.390","lastModified":"2026-06-17T09:03:52.557","vulnStatus":"Analyzed","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 existía una vulnerabilidad de escalada de privilegios antes de la versión v0.9.0 debido a la creación de un directorio con permisos de escritura para todo el mundo en /var/log/below. Esto podría haber permitido que usuarios locales sin privilegios escalaran a privilegios de superusuario mediante ataques de enlaces simbólicos que manipulan archivos como /etc/shadow."}],"affected":[{"source":"cve-assign@fb.com","affectedData":[{"vendor":"Meta Platforms, Inc","product":"below","defaultStatus":"unaffected","versions":[{"version":"0.0.0","lessThan":"0.9.0","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","baseScore":6.8,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.5,"impactScore":4.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-03-21T20:37:38.689510Z","id":"CVE-2025-27591","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-732"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:facebook:below:*:*:*:*:*:rust:*:*","versionEndExcluding":"0.9.0","matchCriteriaId":"C449F323-7BC8-4478-B91A-BD2D62CF9365"}]}]}],"references":[{"url":"https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3","source":"cve-assign@fb.com","tags":["Patch"]},{"url":"https://www.facebook.com/security/advisories/cve-2025-27591","source":"cve-assign@fb.com","tags":["Patch","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2025/03/12/1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Mailing List"]}]}}]}