Vulnerability in Libjwt

CVE-2024-25189

libjwt 1.15.3 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel.

EPSS: 0.010 (56.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-25189?
CVE-2024-25189 is a critical-severity vulnerability in Libjwt, classified under Observable Discrepancy. CVSS score: 9.8/10. Published 2024-02-08.
How severe is CVE-2024-25189?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-25189 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.