Vulnerability in Haproxy
CVE-2023-45539
HAProxy before 2.8.2 accepts # as part of the URI component, which might allow remote attackers to obtain sensitive information or have unspecified other impact upon misinterpretation of a path_end rule, such as routing index.html#.png to a static server.
EPSS: 0.015 (72.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
Affected products
- Haproxy
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Mailing List)
- cve@mitre.org (Broken Link)
- cve@mitre.org (Release Notes)
- cve@mitre.org (mailing-list)
Frequently asked questions
- What is CVE-2023-45539?
- CVE-2023-45539 is a high-severity vulnerability in Haproxy, classified under Improper Encoding or Escaping of Output. CVSS score: 8.2/10. Published 2023-11-28.
- How severe is CVE-2023-45539?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-45539 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.