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Arbitrary Code Injection Affecting smarty/smarty package, versions <3.1.39

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 1.14% (85th percentile)
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NVD
9.8 critical

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  • Snyk ID SNYK-PHP-SMARTYSMARTY-1078282
  • published 22 Feb 2021
  • disclosed 22 Feb 2021
  • credit Unknown
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Introduced: 22 Feb 2021

CVE-2021-26120 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade smarty/smarty to version 3.1.39 or higher.

Overview

Affected versions of this package are vulnerable to Arbitrary Code Injection. It allows code injection via an unexpected function name after a {function name= substring.

References