CVE-2020-13936

Published: 10 March 2021

An attacker that is able to modify Velocity templates may execute arbitrary Java code or run arbitrary system commands with the same privileges as the account running the Servlet container. This applies to applications that allow untrusted users to upload/modify velocity templates running Apache Velocity Engine versions up to 2.2.

Priority

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package	Release	Status
velocity Launchpad, Ubuntu, Debian	bionic	Released (1.7-5ubuntu0.18.04.1~esm1) Available with Ubuntu Pro
	focal	Released (1.7-5+deb9u1build0.20.04.1)
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Not vulnerable (1.7-6)
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Not vulnerable (1.7-6)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Released (1.7-4ubuntu0.1~esm1) Available with Ubuntu Pro

Severity score breakdown

Parameter	Value
Base score	8.8
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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