CVE-2024-25189
CVE-2024-25189 is a critical-severity vulnerability in Libjwt with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (57th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-22525
- Weakness: CWE-203
- Affected product: Libjwt
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2024-25189?
- CVE-2024-25189 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2024-25189 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-25189?
- CVE-2024-25189 primarily affects Libjwt. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-25189?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2024-25189 have an EU (EUVD) identifier?
- Yes. CVE-2024-25189 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-22525.
- When was CVE-2024-25189 published?
- CVE-2024-25189 was published on 2024-02-08 and last updated on 2026-06-17.
References
- https://github.com/P3ngu1nW/CVE_Request/blob/main/benmcollins%3Alibjwt.md
- https://lists.debian.org/debian-lts-announce/2024/02/msg00009.html
Affected products (2)
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:libjwt:libjwt:1.15.3:*:*:*:*:*:*:*
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Browse all CWE-203 (Observable Discrepancy) vulnerabilities →