VulnerabilityDeferred
CVE-2024-33531
cdbattags lua-resty-jwt 0.2.3 allows attackers to bypass all JWT-parsing signature checks by crafting a JWT with an enc header with the value A256GCM.
HIGH 8.1EPSS 0.53%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
cdbattags lua-resty-jwt 0.2.3 allows attackers to bypass all JWT-parsing signature checks by crafting a JWT with an enc header with the value A256GCM.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-290
- Source
- cve@mitre.org
References
- https://github.com/cdbattags/lua-resty-jwt/commit/d1558e2afefe868fea1e7e9a4b04ea94ab678a85
- https://github.com/cdbattags/lua-resty-jwt/issues/61
- https://insinuator.net/2023/10/lua-resty-jwt-authentication-bypass/
- https://github.com/cdbattags/lua-resty-jwt/commit/d1558e2afefe868fea1e7e9a4b04ea94ab678a85
- https://github.com/cdbattags/lua-resty-jwt/issues/61
- https://insinuator.net/2023/10/lua-resty-jwt-authentication-bypass/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.