CVE-2024-36066

LowCVSS 3.1/10Last modified Jun 17, 2026

Description

The CMP CLI client in KeyFactor EJBCA before 8.3.1 has only 6 octets of salt, and is thus not compliant with the security requirements of RFC 4211, and might make man-in-the-middle attacks easier. CMP includes password-based MAC as one of the options for message integrity and authentication (the other option is certificate-based). RFC 4211 section 4.4 requires that password-based MAC parameters use a salt with a random value of at least 8 octets. This helps to inhibit dictionary attacks. Because the standalone CMP client originally was developed as test code, the salt was instead hardcoded and only 6 octets long.

Metrics

CVSS 3.1 3.1/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://datatracker.ietf.org/doc/html/rfc4211#section-4.4Technical Description
https://support.keyfactor.com/hc/en-us/articles/26965687021595-EJBCA-Security-Advisory-EJBCA-standalone-CMP-CLI-clientMitigation, Vendor Advisory

Timeline

Published: Sep 12, 2024
Last modified: Jun 17, 2026
NVD status: Modified

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