CVE-2020-25097
squid - security update
8.6
HIGH
CVSS 3.1
EPSS 0.58%
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.
How to fix CVE-2020-25097
To remediate CVE-2020-25097, upgrade the affected package to a fixed version below.
- —upgrade to 4.14-r0 or later
- —upgrade to 4.13-8 or later
- —upgrade to 4.6-1+deb10u5 or later
- —upgrade to 3.5.23-5+deb9u6 or later
Is CVE-2020-25097 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 4.14-r0
- from 0, < 4.13-8
- from 0, < 4.6-1+deb10u5
- from 0, < 3.5.23-5+deb9u6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |