CVE-2020-11653
varnish - security update
7.5
HIGH
CVSS 3.1
EPSS 1.3%
Description
An issue was discovered in Varnish Cache before 6.0.6 LTS, 6.1.x and 6.2.x before 6.2.3, and 6.3.x before 6.3.2. It occurs when communication with a TLS termination proxy uses PROXY version 2. There can be an assertion failure and daemon restart, which causes a performance loss.
How to fix CVE-2020-11653
To remediate CVE-2020-11653, upgrade the affected package to a fixed version below.
- —upgrade to 6.4.0-1 or later
- —upgrade to 6.1.1-1+deb10u4 or later
Is CVE-2020-11653 being exploited?
Low — EPSS is 1.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.4.0-1
- from 0, < 6.1.1-1+deb10u4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |