CVE-2023-27522
High
Published: 07 March 2023
Published
07 March 2023
Modified
01 May 2025
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
0.0067
71.7th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-27522 is a high-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Apache Http Server. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 28.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-1108
Vulnerability details
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 to the client.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
apache
http server
2.4.30 — 2.4.56
debian
debian linux
10.0
unbit
uwsgi
≤ 2.0.22
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.