CVE-2024-2756
Status: DeferredMedium (6.5)—
Due to an incomplete fix to CVE-2022-31629 https://github.com/advisories/GHSA-c43m-486j-j32p , network and same-site attackers can set a standard insecure cookie in the victim's browser which is treated as a __Host- or __Secure- cookie by PHP applications.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Base score: 6.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 38%
- Percentile among all scored CVEs: 99
- Score date: 10/11/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.
CWEs
- CWE-20
References
- http://www.openwall.com/lists/oss-security/2024/04/12/11
- https://github.com/php/php-src/security/advisories/GHSA-wpj3-hf5j-x4v4
- https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html
- https://security.netapp.com/advisory/ntap-20240510-0008/
- http://www.openwall.com/lists/oss-security/2024/04/12/11
- https://github.com/php/php-src/security/advisories/GHSA-wpj3-hf5j-x4v4
- https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGWIK3HMBACERGB4TSBB2JUOMPYY2VKY/
- https://security.netapp.com/advisory/ntap-20240510-0008/
Raw JSON (NVD)
Show
{
"id": "CVE-2024-2756",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-2756",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-04-29T17:19:19.916680Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security@php.net",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security@php.net",
"affectedData": [
{
"vendor": "PHP Group",
"product": "PHP",
"versions": [
{
"status": "affected",
"version": "8.1.*",
"lessThan": "8.1.28",
"versionType": "semver"
},
{
"status": "affected",
"version": "8.2.*",
"lessThan": "8.2.18",
"versionType": "semver"
},
{
"status": "affected",
"version": "8.3.*",
"lessThan": "8.3.5",
"versionType": "semver"
}
],
"defaultStatus": "affected"
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:php:archive_tar:*:*:*:*:*:*:*:*"
],
"vendor": "php",
"product": "archive_tar",
"versions": [
{
"status": "affected",
"version": "*"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-04-29T04:15:07.890",
"references": [
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11",
"source": "security@php.net"
},
{
"url": "https://github.com/php/php-src/security/advisories/GHSA-wpj3-hf5j-x4v4",
"source": "security@php.net"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html",
"source": "security@php.net"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240510-0008/",
"source": "security@php.net"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://github.com/php/php-src/security/advisories/GHSA-wpj3-hf5j-x4v4",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGWIK3HMBACERGB4TSBB2JUOMPYY2VKY/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240510-0008/",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security@php.net",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Due to an incomplete fix to CVE-2022-31629 https://github.com/advisories/GHSA-c43m-486j-j32p , network and same-site attackers can set a standard insecure cookie in the victim's browser which is treated as a __Host- or __Secure- cookie by PHP applications."
},
{
"lang": "es",
"value": "Debido a una solución incompleta de CVE-2022-31629 https://github.com/advisories/GHSA-c43m-486j-j32p, los atacantes de la red y del mismo sitio pueden establecer una cookie estándar insegura en el navegador de la víctima que se trata como una __Host- o __Secure- cookie por aplicaciones PHP."
}
],
"lastModified": "2026-06-17T07:25:29.017",
"sourceIdentifier": "security@php.net"
}