Vulnerability in Haproxy
CVE-2023-25950
HTTP request/response smuggling vulnerability in HAProxy version 2.7.0, and 2.6.1 to 2.6.7 allows a remote attacker to alter a legitimate user's request. As a result, the attacker may obtain sensitive information or cause a denial-of-service (DoS) condition.
Vulnerability class: HTTP Request Smuggling
EPSS: 0.029 (85.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Haproxy — versions 2.7.0
- Haproxy Technologies — versions version 2.7.0, and version 2.6.1 to 2.6.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vultures@jpcert.or.jp (Product)
- vultures@jpcert.or.jp
- vultures@jpcert.or.jp (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-25950?
- CVE-2023-25950 is a high-severity vulnerability in Haproxy, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.3/10. Published 2023-04-11.
- How severe is CVE-2023-25950?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2023-25950 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.