CVE-2017-12973
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.
3.1CVSSLOW
Description
Nimbus JOSE+JWT vulnerable to padding oracle attack
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
https://nvd.nist.gov/vuln/detail/CVE-2017-12973
nvd.nist.gov
https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/6a29f10f723f406eb25555f55842c59a43a38912
bitbucket.org
https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/223/aescbc-return-immediately-on-invalid-hmac
bitbucket.org
and 3 more references View all →
Timeline
Published
Aug 20, 2017
Last Updated
May 13, 2026
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