Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2020-25097

Good to know:

icon

Date: March 18, 2021

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.

Language: C++

Severity Score

Related Resources (19)

https://security-tracker.debian.org/tracker/CVE-2020-25097
https://www.debian.org/security/2021/dsa-4873
https://security.netapp.com/advisory/ntap-20210727-0010/
https://security.gentoo.org/glsa/202105-14
http://www.squid-cache.org/Versions/v4/changesets/SQUID-2020_11.patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FBXFWKIGXPERDVQXG556LLPUOCMQGERC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/
https://security.alpinelinux.org/vuln/CVE-2020-25097
https://nvd.nist.gov/vuln/detail/CVE-2020-25097
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O3RYBDMJCPYGOSURWDR3WJTE474UFT77/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DJMDRVV677AJL4BZAOLCT5LMFCGBZTC2/
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-25097
https://github.com/squid-cache/squid/commit/dfd818595b54942cb1adc45f6aed95c9b706e3a8
http://www.squid-cache.org/Versions/v5/changesets/SQUID-2020_11.patch
https://github.com/squid-cache/squid/security/advisories/GHSA-jvf6-h9gj-pmj6
https://access.redhat.com/security/cve/CVE-2020-25097
https://www.mend.io/vulnerability-database/CVE-2020-25097

Severity Score

Weakness Type (CWE)

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

CWE-444

Input Validation

CWE-20

Top Fix

icon

Upgrade Version

Upgrade to version 4.14, 5.0.5

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

Do you need more information?

Contact Us