CVE-2017-12973 json
Nimbus JOSE+JWT vulnerable to padding oracle attack
published 2017-08-20 9 y ago modified 2026-06-17 4 mo ago also GHSA-jfmq-4g4m-99rh , EUVD-2022-4350
- cvss
- 3.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 3.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 3.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | com.nimbusds:nimbus-jose-jwt | <4.39 |
4.39 |
Classification
- Weakness
-
- CWE-354 Improper Validation of Integrity Check Value
References
-
bitbucket.org
/connect2id/nimbus-jose-jwt/commits/6a29f10f723f406eb25555f55842c59a43a38912
web, patch, third-party-advisory
-
bitbucket.org
/connect2id/nimbus-jose-jwt/issues/223/aescbc-return-immediately-on-invalid-hmac
web, third-party-advisory
-
bitbucket.org
/connect2id/nimbus-jose-jwt/src/master/CHANGELOG.txt
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-12973
advisory
Sources
- CVE List CVE-2017-12973
- GitHub Advisory GHSA-jfmq-4g4m-99rh
- NVD CVE-2017-12973
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