CVE-2022-40897
Estado: ModificadaMedia (5.9)—
Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 2.50%
- Percentil entre todas las CVEs puntuadas: 84
- Fecha de la puntuación: 7/10/2026
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-1333
- CWE-1333
Referencias
- https://github.com/pypa/setuptools/blob/fe8a98e696241487ba6ac9f91faa38ade939ec5d/setuptools/package_index.py#L200
- https://github.com/pypa/setuptools/commit/43a9c9bfa6aa626ec2a22540bea28d2ca77964be
- https://github.com/pypa/setuptools/compare/v65.5.0...v65.5.1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADES3NLOE5QJKBLGNZNI2RGVOSQXA37R/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YNA2BAH2ACBZ4TVJZKFLCR7L23BG5C3H/
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
- https://pyup.io/vulnerabilities/CVE-2022-40897/52495/
- https://security.netapp.com/advisory/ntap-20230214-0001/
- https://security.netapp.com/advisory/ntap-20240621-0006/
- https://github.com/pypa/setuptools/blob/fe8a98e696241487ba6ac9f91faa38ade939ec5d/setuptools/package_index.py#L200
- https://github.com/pypa/setuptools/commit/43a9c9bfa6aa626ec2a22540bea28d2ca77964be
- https://github.com/pypa/setuptools/compare/v65.5.0...v65.5.1
- https://lists.debian.org/debian-lts-announce/2024/09/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADES3NLOE5QJKBLGNZNI2RGVOSQXA37R/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YNA2BAH2ACBZ4TVJZKFLCR7L23BG5C3H/
- https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
- https://pyup.io/vulnerabilities/CVE-2022-40897/52495/
- https://security.netapp.com/advisory/ntap-20230214-0001/
- https://security.netapp.com/advisory/ntap-20240621-0006/
JSON original (NVD)
Mostrar
{
"id": "CVE-2022-40897",
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"metrics": {
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{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
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"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-07-16T17:14:35.641612Z"
}
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 2.2
},
{
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
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},
"impactScore": 3.6,
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"affected": [
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"published": "2022-12-23T00:15:13.987",
"references": [
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{
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],
"vulnStatus": "Modified",
"weaknesses": [
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"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
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"value": "CWE-1333"
}
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},
{
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"description": [
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"descriptions": [
{
"lang": "en",
"value": "Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py."
},
{
"lang": "es",
"value": "Las herramientas de configuración Python Packaging Authority (PyPA) anteriores a 65.5.1 permiten a atacantes remotos provocar una Denegación de Servicio (DoS) a través de HTML en un paquete manipulado o en una página PackageIndex personalizada. Hay una Denegación de Servicio (DoS) de expresión regular (ReDoS) en package_index.py."
}
],
"lastModified": "2026-06-17T05:02:12.993",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"criteria": "cpe:2.3:a:python:setuptools:*:*:*:*:*:*:*:*",
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"matchCriteriaId": "F9A94E39-308F-4E14-8A0C-0327B4F50AAD",
"versionEndExcluding": "65.5.1"
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"sourceIdentifier": "cve@mitre.org"
}