CVE-2018-7739
antsle antman, en versiones anteriores a la 0.9.1a, permite que atacantes remotos omitan la autenticación mediante caracteres inválidos en los parámetros username y password. Esto se demuestra por una cadena username=>password=%0a en el URI /login. Esto permite obtener permisos root en la consola de gestión web debido a que el proceso de inicio de sesión emplea la clase ProcessBuilder de Java y un script bash llamado antsle-auth con una validación de entradas insuficiente.
CVSS
- Puntuación base
- 9.8
- Versión
- 3.0
- Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 53 %
- Percentil entre todas las CVEs puntuadas
- 99
- Fecha de la puntuación
- 28/10/2026
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).
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 · antMan 0.9.0c - Authentication Bypass (7/3/2018)
- Publicado en Exploit-DB · antMan < 0.9.1a - Authentication Bypass (2/3/2018)
Tecnologías afectadas (1)
CWE
- CWE-20
Referencias
Mostrar las 6 referencias
- http://blog.codecatoctin.com/2018/02/antman-authentication-bypass.html
- https://www.exploit-db.com/exploits/44220/
- https://www.exploit-db.com/exploits/44262/
- http://blog.codecatoctin.com/2018/02/antman-authentication-bypass.html
- https://www.exploit-db.com/exploits/44220/
- https://www.exploit-db.com/exploits/44262/
JSON original (NVD)
Mostrar
{
"id": "CVE-2018-7739",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2018-03-07T02:29:03.597",
"references": [
{
"url": "http://blog.codecatoctin.com/2018/02/antman-authentication-bypass.html",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.exploit-db.com/exploits/44220/",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.exploit-db.com/exploits/44262/",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "cve@mitre.org"
},
{
"url": "http://blog.codecatoctin.com/2018/02/antman-authentication-bypass.html",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.exploit-db.com/exploits/44220/",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.exploit-db.com/exploits/44262/",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "antsle antman before 0.9.1a allows remote attackers to bypass authentication via invalid characters in the username and password parameters, as demonstrated by a username=>&password=%0a string to the /login URI. This allows obtaining root permissions within the web management console, because the login process uses Java's ProcessBuilder class and a bash script called antsle-auth with insufficient input validation."
},
{
"lang": "es",
"value": "antsle antman, en versiones anteriores a la 0.9.1a, permite que atacantes remotos omitan la autenticación mediante caracteres inválidos en los parámetros username y password. Esto se demuestra por una cadena username=>password=%0a en el URI /login. Esto permite obtener permisos root en la consola de gestión web debido a que el proceso de inicio de sesión emplea la clase ProcessBuilder de Java y un script bash llamado antsle-auth con una validación de entradas insuficiente."
}
],
"lastModified": "2026-06-17T02:03:37.693",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:antsle:antman:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8E14BFC3-BE5D-4F42-BD8C-D282679AD19C",
"versionEndIncluding": "0.9.0c"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}