Vulnerability in Apache Http_server
CVE-2023-27522
HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.55. Special characters in the origin response header can truncate/split the response forwarded…
Vulnerability class: HTTP Request Smuggling
EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Apache Http_server
- Apache Software Foundation Http Server — versions 2.4.30
- Unbit Uwsgi
- Debian Debian_linux — versions 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (vendor-advisory, Vendor Advisory)
- security@apache.org (Third Party Advisory)
- security@apache.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-27522?
- CVE-2023-27522 is a high-severity vulnerability in Apache Http_server, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.5/10. Published 2023-03-07.
- How severe is CVE-2023-27522?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-27522 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.