Is CVE-2023-27522 actively exploited?

CVE-2023-27522 has no public evidence of in-the-wild exploitation as of 2025-05-01.

What is the CVSS score for CVE-2023-27522?

CVE-2023-27522 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

How do I patch CVE-2023-27522?

Patch guidance is available from apache security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-27522.

Fix CVE-2023-27522 - HIGH apache http server

Q: Which products are affected by CVE-2023-27522?

3 products: apache http server, debian debian linux, unbit uwsgi.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: none
Weaknesses: CWE-444

Metadata

Primary Vendor: APACHE
Published: 3/7/2023
Last Modified: 5/1/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-27522

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary