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CVE
PUBLISHED

CVE-2022-39227

Python-jwt subject to Authentication Bypass by Spoofing

AssignerGitHub_M
Reserved2022-09-02
Published2022-09-23
Updated2024-07-10

Description

python-jwt is a module for generating and verifying JSON Web Tokens. Versions prior to 3.3.4 are subject to Authentication Bypass by Spoofing, resulting in identity spoofing, session hijacking or authentication bypass. An attacker who obtains a JWT can arbitrarily forge its contents without knowing the secret key. Depending on the application, this may for example enable the attacker to spoof other user's identities, hijack their sessions, or bypass authentication. Users should upgrade to version 3.3.4. There are no known workarounds.



CRITICAL: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Problem types

CWE-290: Authentication Bypass by Spoofing

Product status

< 3.3.4
affected

References

https://github.com/davedoesdev/python-jwt/security/advisories/GHSA-5p8v-58qm-c7fp

https://github.com/davedoesdev/python-jwt/commit/88ad9e67c53aa5f7c43ec4aa52ed34b7930068c9

https://github.com/pypa/advisory-database/blob/main/vulns/python-jwt/PYSEC-2022-259.yaml

https://www.vicarius.io/vsociety/posts/authentication-bypass-in-python-jwt

cve.org CVE-2022-39227

nvd.nist.gov CVE-2022-39227

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