CVE-2020-11653
varnishVulnerabilityCVSS 7.5Patched
No public exploitation has been reported so far. A fixed version is available (see the table below).
Recommended action: Update to the fixed version listed for your distribution using the native package manager.
Severity metrics
CVSS 3.1 : 7.5 HIGH · CVSS 2.0 : 5.0 MEDIUM
Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected & fixed versions by distribution
Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.
| Distribution | Package | Affected | Fixed version | Status |
|---|---|---|---|---|
| Debian:11 | varnish | - | 6.4.0-1 | fixed |
| Debian:12 | varnish | - | 6.4.0-1 | fixed |
| Debian:13 | varnish | - | 6.4.0-1 | fixed |
| Debian:10 | varnish | - | 6.1.1-1+deb10u4 | fixed |
| Ubuntu:20.04:LTS | varnish | - | 6.2.1-2ubuntu0.1 | fixed |
| Ubuntu:18.04:LTS | varnish | - | 5.2.1-1ubuntu0.1 | fixed |
| Ubuntu:22.04:LTS | varnish | - | 6.6.1-1ubuntu0.2 | fixed |
| Ubuntu:20.04:LTS | varnish | - | 6.2.1-2ubuntu0.2 | fixed |
| SUSE:Package Hub 15 SP1 | varnish | - | 6.2.1-bp151.4.6.1 | fixed |
| openSUSE:Leap 15.1 | varnish | - | 6.2.1-lp151.3.6.1 | fixed |
| Red Hat:enterprise_linux:8::appstream | varnish | - | 0:6.0.6-2.module+el8.3.0+6843+b3b42fcc | fixed |