CVE-2022-40897

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 84.1% of scored records. A rank, not a probability.

NVD base score

5.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-12-22 00:00Z3 YR AGO

Last updated

2025-11-04 16:09Z10 MO AGO

Reserved

2022-09-19

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-1333Inefficient Regular Expression ComplexityBase
• CWE-185Incorrect Regular ExpressionClass

Data version

5.2

Document digest

1c0b4b5e437254dbfb3337706f6c0b6dd2ec49e747c77d74c83ef1791b57c23b

• github.comhttps://github.com/pypa/setuptools/blob/fe8a98e696241487ba6ac9f91faa38ade939ec5d/setuptools/package_index.py#L200
• pyup.iohttps://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
• github.comhttps://github.com/pypa/setuptools/commit/43a9c9bfa6aa626ec2a22540bea28d2ca77964be
• pyup.iohttps://pyup.io/vulnerabilities/CVE-2022-40897/52495/
• github.comhttps://github.com/pypa/setuptools/compare/v65.5.0...v65.5.1
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230214-0001/
• lists.fedoraproject.orgFEDORA-2023-9992b32c1fhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YNA2BAH2ACBZ4TVJZKFLCR7L23BG5C3H/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-60e2b22be0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ADES3NLOE5QJKBLGNZNI2RGVOSQXA37R/vendor-advisory
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20240621-0006/
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/09/msg00018.html