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CVE-2021-26120

Published: 22 February 2021

Smarty before 3.1.39 allows code injection via an unexpected function name after a {function name= substring.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
smarty3
Launchpad, Ubuntu, Debian
bionic
Released (3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1)
focal
Released (3.1.34+20190228.1.c9f0de05+selfpack1-1ubuntu0.1~esm1)
groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Not vulnerable
(3.1.39-2)
jammy Not vulnerable
(3.1.39-2)
kinetic Not vulnerable
(3.1.39-2)
precise Does not exist

trusty Does not exist

upstream
Released (3.1.39)
xenial
Released (3.1.21-1ubuntu1+esm1)
Patches:
upstream: https://github.com/smarty-php/smarty/commit/4f634c0097ab4a8b2adc2a97caacd1676e88f9c8

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H