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.
Published: 2021-03-19
Score: 8.6 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2598-1 squid3 security update
Debian DSA Debian DSA DSA-4873-1 squid security update
EUVD EUVD EUVD-2020-17789 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.
Ubuntu USN Ubuntu USN USN-4895-1 Squid vulnerabilities
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00689}

epss

{'score': 0.00799}


Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00656}

epss

{'score': 0.00689}


Subscriptions

Debian Debian Linux
Fedoraproject Fedora
Netapp Cloud Manager
Redhat Enterprise Linux Rhel Eus
Squid-cache Squid
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T15:26:09.610Z

Reserved: 2020-09-03T00:00:00.000Z

Link: CVE-2020-25097

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-19T05:15:12.480

Modified: 2024-11-21T05:17:19.900

Link: CVE-2020-25097

cve-icon Redhat

Severity : Important

Publid Date: 2020-09-04T00:00:00Z

Links: CVE-2020-25097 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses