CVE-2022-39227

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

5.34% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Important. 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

2022-09-23 06:55Z4 YR AGO

Last updated

2024-08-03 12:00Z2 YR AGO

Reserved

2022-09-02

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

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

Weaknesses

• CWE-290Authentication Bypass by SpoofingBase

Data version

5.1

Document digest

65359cf1fd71dd310dafffdc3778b8996bed57d0b82e07f06f6dd25a1fe0ac1f

• github.comhttps://github.com/davedoesdev/python-jwt/security/advisories/GHSA-5p8v-58qm-c7fp
• github.comhttps://github.com/davedoesdev/python-jwt/commit/88ad9e67c53aa5f7c43ec4aa52ed34b7930068c9
• github.comhttps://github.com/pypa/advisory-database/blob/main/vulns/python-jwt/PYSEC-2022-259.yaml
• www.vicarius.iohttps://www.vicarius.io/vsociety/posts/authentication-bypass-in-python-jwt