Vulnerability in Apache Pulsar
CVE-2023-51437
Observable timing discrepancy vulnerability in Apache Pulsar SASL Authentication Provider can allow an attacker to forge a SASL Role Token that will pass signature verification. Users are recommended to upgrade to version 2.11.3, 3.0.2, or…
EPSS: 0.008 (50.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Apache Pulsar — versions 3.1.0
- Apache Software Foundation Pulsar — versions 0, 2.11.0, 3.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (vendor-advisory, Issue Tracking, Vendor Advisory)
- security@apache.org
Frequently asked questions
- What is CVE-2023-51437?
- CVE-2023-51437 is a high-severity vulnerability in Apache Pulsar, classified under Observable Discrepancy. CVSS score: 7.4/10. Published 2024-02-07.
- How severe is CVE-2023-51437?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2023-51437 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.