Code Injection in Pug - CVE-2021-21353

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Main Vulnerability Database Vulnerabilities #VU51267

Code Injection in Pug - CVE-2021-21353

Published: March 8, 2021


Vulnerability identifier: #VU51267
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21353
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in visitMixin and visitMixinBlock within the "pretty" option. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Pug
IBM Cloud Automation Manager

How to mitigate CVE-2021-21353

Install updates from vendor's website.

Pug - update to 3.0.1
IBM Cloud Automation Manager - update to 4.2.0.1 iFix 3

External References

Related Security Bulletins