#VU59991 Code Injection in Zulip Server - CVE-2021-43799

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Main Vulnerability Database Vulnerabilities #VU59991

#VU59991 Code Injection in Zulip Server - CVE-2021-43799

Published: January 25, 2022 / Updated: February 1, 2023


Vulnerability identifier: #VU59991
Vulnerability risk: High
CVSSv4.0: 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/E:P/U:Amber
CVE-ID: CVE-2021-43799
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vulnerable software:
Zulip Server
Software vendor:
Zulip

Description

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

The vulnerability exists due to improper input validation. 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.


Remediation

Install updates from vendor's website.

External links