CVE-2023-27522

Apache HTTP Server: mod_proxy_uwsgi HTTP response splitting

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.69% Top 30%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache HTTP Server
Published at:
Updated at:

References

Link Tags
https://httpd.apache.org/security/vulnerabilities_24.html vendor advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00028.html third party advisory
https://security.gentoo.org/glsa/202309-01 third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-27522?
CVE-2023-27522 has been scored as a high severity vulnerability.
How to fix CVE-2023-27522?
To fix CVE-2023-27522, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-27522 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-27522 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-27522?
CVE-2023-27522 affects Apache Software Foundation Apache HTTP Server.
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