CVE-2024-40761
Estado: AnalizadaMedia (5.3)—
Inadequate Encryption Strength vulnerability in Apache Answer.
This issue affects Apache Answer: through 1.3.5.
Using the MD5 value of a user's email to access Gravatar is insecure and can lead to the leakage of user email. The official recommendation is to use SHA256 instead. Users are recommended to upgrade to version 1.4.0, which fixes the issue.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.75%
- Percentil entre todas las CVEs puntuadas: 53
- Fecha de la puntuación: 6/10/2026
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).
Tecnologías afectadas (1)
CWE
- CWE-326
Referencias
- https://lists.apache.org/thread/mmrhsfy16qwrw0pkv0p9kj40vy3sg08x
- http://www.openwall.com/lists/oss-security/2024/09/25/2
- http://www.openwall.com/lists/oss-security/2024/09/25/5
- http://www.openwall.com/lists/oss-security/2024/09/25/6
- http://www.openwall.com/lists/oss-security/2024/09/25/7
- http://www.openwall.com/lists/oss-security/2024/09/25/8
- http://www.openwall.com/lists/oss-security/2024/09/26/1
- http://www.openwall.com/lists/oss-security/2024/09/26/3
- http://www.openwall.com/lists/oss-security/2024/09/26/4
- http://www.openwall.com/lists/oss-security/2024/09/27/4
- http://www.openwall.com/lists/oss-security/2024/09/27/5
- http://www.openwall.com/lists/oss-security/2024/09/27/8
JSON original (NVD)
Mostrar
{
"id": "CVE-2024-40761",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-40761",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-25T15:20:39.711931Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security@apache.org",
"affectedData": [
{
"vendor": "Apache Software Foundation",
"product": "Apache Answer",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "1.3.5"
}
],
"defaultStatus": "unaffected"
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*"
],
"vendor": "apache",
"product": "answer",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "1.3.5"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2024-09-25T08:15:04.437",
"references": [
{
"url": "https://lists.apache.org/thread/mmrhsfy16qwrw0pkv0p9kj40vy3sg08x",
"tags": [
"Mailing List",
"Vendor Advisory"
],
"source": "security@apache.org"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/25/2",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/25/5",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/25/6",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/25/7",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/25/8",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/26/1",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/26/3",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/26/4",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/27/4",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/27/5",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/09/27/8",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "security@apache.org",
"description": [
{
"lang": "en",
"value": "CWE-326"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Inadequate Encryption Strength vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 1.3.5.\n\nUsing the MD5 value of a user's email to access Gravatar is insecure and can lead to the leakage of user email. The official recommendation is to use SHA256 instead.\nUsers are recommended to upgrade to version 1.4.0, which fixes the issue."
},
{
"lang": "es",
"value": "Vulnerabilidad de fuerza de cifrado inadecuada en Apache Answer. Este problema afecta a Apache Answer: hasta la versión 1.3.5. El uso del valor MD5 del correo electrónico de un usuario para acceder a Gravatar es inseguro y puede provocar la filtración del correo electrónico del usuario. La recomendación oficial es utilizar SHA256 en su lugar. Se recomienda a los usuarios que actualicen a la versión 1.4.0, que soluciona el problema."
}
],
"lastModified": "2026-06-17T07:46:29.357",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7E07FE7E-2B21-4A2C-ACCB-B9657E355820",
"versionEndIncluding": "1.3.5"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security@apache.org"
}