CVE-2024-23897
Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable a feature of its CLI command parser that replaces an '@' character followed by a file path in an argument with the file's contents, allowing unauthenticated attackers to read arbitrary files on the Jenkins controller file system.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 100%
- Percentil entre todas las CVEs puntuadas: 100
- Fecha de la puntuación: 29/9/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
CISA KEV — explotada activamente
- Añadida al catálogo: 19/8/2024
- Plazo de remediación: 9/9/2024
- Uso conocido en ransomware: Known
💥 Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Publicado en Exploit-DB · Jenkins 2.441 - Local File Inclusion (15/4/2024)
- Plantilla de Nuclei (detección automática y masiva) · Jenkins < 2.441 - Arbitrary File Read
- Prueba de concepto en GitHub (no verificada) · Lista de pruebas de concepto en GitHub
⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto principal
T1005Data from Local Systemcollection90 % - Impacto secundario
T1552.007Container APIcredential access75 %
Vulnerabilidad crítica en parser CLI de Jenkins accesible sin autenticación (AV:N, PR:N) permitiendo lectura de archivos arbitrarios mediante '@' + ruta; impacto de exfiltración de datos sensibles del sistema de archivos del controlador.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
CWE
- CWE-22
- CWE-27
Referencias
- http://packetstormsecurity.com/files/176839/Jenkins-2.441-LTS-2.426.3-CVE-2024-23897-Scanner.html
- http://packetstormsecurity.com/files/176840/Jenkins-2.441-LTS-2.426.3-Arbitrary-File-Read.html
- http://www.openwall.com/lists/oss-security/2024/01/24/6
- https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3314
- https://www.sonarsource.com/blog/excessive-expansion-uncovering-critical-security-vulnerabilities-in-jenkins/
- http://packetstormsecurity.com/files/176839/Jenkins-2.441-LTS-2.426.3-CVE-2024-23897-Scanner.html
- http://packetstormsecurity.com/files/176840/Jenkins-2.441-LTS-2.426.3-Arbitrary-File-Read.html
- http://www.openwall.com/lists/oss-security/2024/01/24/6
- https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-3314
- https://www.sonarsource.com/blog/excessive-expansion-uncovering-critical-security-vulnerabilities-in-jenkins/
- https://www.vicarius.io/vsociety/posts/the-anatomy-of-a-jenkins-vulnerability-cve-2024-23897-revealed-1
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-23897
JSON original (NVD)
Mostrar
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