CVE-2024-33531
cdbattags lua-resty-jwt 0.2.3 allows attackers to bypass all JWT-parsing signature checks by...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
8.1
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.
- Record
CVE-2024-33531- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
EUVDEUVD-2024-31268
8.1
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.
- Record
EUVD-2024-31268- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vvpg-5wfc-53jj
8.1
cdbattags lua-resty-jwt 0.2.3 allows attackers to bypass all JWT-parsing signature checks by...
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.
- Record
GHSA-vvpg-5wfc-53jj- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
NVD
8.1
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.
- Record
CVE-2024-33531- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
OSV
8.1
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.
- Record
CVE-2024-33531- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-33531 is a high vulnerability (CVSS 8.1) in Cdbattags Lua Resty Jwt, published April 24, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.
References
insinuator.net/2023/10/lua-resty-jwt-authentication-bypass
github.com/cdbattags/lua-resty-jwt/issues/61
github.com/cdbattags/lua-resty-jwt/commit/d1558e2afefe868fea1e7e9a4b04ea94ab678a85
nvd.nist.gov/vuln/detail/CVE-2024-33531
github.com/advisories/GHSA-vvpg-5wfc-53jj
github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33531.json