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CVE-2023-27522

Apache HTTP Server: mod_proxy_uwsgi HTTP response splitting

Published: Mar 7, 2023Updated: May 1, 2025 Sources: CVE List NVD GHSA BDU csafCWE-444
NVD MITRE
7.5CVSSHIGH
EPSS Score
2.1%
Top 20.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Apache HTTP Server via mod_proxy_uwsgi HTTP response smuggling

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-444

Affected Products

uWSGIPyPIOSS Libraries
Apache HTTP ServerApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise LinuxRed Hat Inc.
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsNovell Inc.
On-premOS
Operating Systems / linux-distro
pypipackage-ecosystemOSS Libraries
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
red hat inc.commercialUSOperating Systemsaka red hat
novell inc.commercialUSOperating Systems
and 25 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2023-27522
nvd.nist.gov
https://github.com/apache/httpd/commit/d753ea76b5972a85349b68c31b59d04c60014f2d
github.com
https://github.com/unbit/uwsgi/commit/58ee1df31fa9e9af106aaeabb82374c36b433822
github.com
and 471 more references View all →

Timeline

Published
Mar 7, 2023
Last Updated
May 1, 2025

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