Improper Verification of Cryptographic Signature in EDDSA API - CVE-2020-36843
Published: March 20, 2025
Vulnerability identifier: #VU105889
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-36843
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
EDDSA API
EDDSA API
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the EdDSA implementation in affected plugin exhibits signature malleability. A remote user can create new valid signatures different from previous signatures for a known message.
How to mitigate CVE-2020-36843
Install updates from vendor's website.