Is CVE-2020-25097 actively exploited?

CVE-2020-25097 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-25097?

CVE-2020-25097 has a CVSS score of 8.6 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

How do I patch CVE-2020-25097?

Patch guidance is available from squid-cache security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-25097.

Fix CVE-2020-25097 - HIGH squid-cache squid

Q: Which products are affected by CVE-2020-25097?

7 products: squid-cache squid, squid-cache squid, debian debian linux, fedoraproject fedora, fedoraproject fedora, and 2 more.

Description

An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by the security controls. This occurs for certain uri_whitespace configuration settings.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: none
Availability: none
Weaknesses: CWE-20 · Improper Input Validation CWE-444

Metadata

Primary Vendor: SQUID-CACHE
Published: 3/19/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

squid-cache : squidsquid-cache : squiddebian : debian_linuxfedoraproject : fedorafedoraproject : fedorafedoraproject : fedoranetapp : cloud_manager

Remediation Guidance

Executive Summary

Cite this page

CVE-2020-25097. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2020-25097

View on NIST NVD

CVE-2020-25097 vulnerability