CVSS 3.0
3.1 lowCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:NCVE-2017-12973
Low (3.1) in connect2id nimbus jose\+jwt. EPSS 0.6% chance of exploitation in the next 30 days. Fixed in com.nimbusds:nimbus-jose-jwt 4.39.
Nimbus JOSE+JWT before 4.39 proceeds improperly after detection of an invalid HMAC in authenticated AES-CBC decryption, which allows attackers to conduct a padding oracle attack.
Severity
- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
- CWE
- CWE-354
- Published
- Modified
- Record from
- the NVD, synced
Affected
- connect2id:nimbus_jose\+jwt
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-jfmq-4g4m-99rh | Maven | com.nimbusds:nimbus-jose-jwt | <4.39 | 4.39 |
References
- https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/6a29f10f723f406eb25555f55842c59a43a38912
- https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/223/aescbc-return-immediately-on-invalid-hmac
- https://bitbucket.org/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt
- https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/6a29f10f723f406eb25555f55842c59a43a38912
- https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/223/aescbc-return-immediately-on-invalid-hmac