Vulnerabilities > CVE-2021-42090 - Deserialization of Untrusted Data vulnerability in Zammad

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

critical

NVD

Published: 2021-10-07

Updated: 2024-11-21

Summary

An issue was discovered in Zammad before 4.1.1. The Form functionality allows remote code execution because deserialization is mishandled.

Part	Description	Count
Application	Zammad Zammad Zammad 1.0.0 Zammad Zammad 1.0.1 Zammad Zammad 1.0.2 Zammad Zammad 1.0.3 Zammad Zammad 1.0.4 Zammad Zammad 1.1.0 Zammad Zammad 1.1.1 Zammad Zammad 1.1.2 Zammad Zammad 1.1.3 Zammad Zammad 1.1.4 Zammad Zammad 1.2.0 Zammad Zammad 1.2.1 Zammad Zammad 1.2.2 Zammad Zammad 1.2.3 Zammad Zammad 1.3.0 Zammad Zammad 1.3.1 Zammad Zammad 1.3.2 Zammad Zammad 1.4.0 Zammad Zammad 1.4.1 Zammad Zammad 1.5.0 Zammad Zammad 1.5.1 Zammad Zammad 1.6.0 Zammad Zammad 1.6.1 Zammad Zammad 2.0.0 Zammad Zammad 2.0.1 Zammad Zammad 2.1.0 Zammad Zammad 2.1.1 Zammad Zammad 2.1.2 Zammad Zammad 2.2.0 Zammad Zammad 2.2.1 Zammad Zammad 2.2.2 Zammad Zammad 2.3.0 Zammad Zammad 2.3.1 Zammad Zammad 2.4.0 Zammad Zammad 2.4.1 Zammad Zammad 2.5.0 Zammad Zammad 2.5.1 Zammad Zammad 2.6.0 Zammad Zammad 2.6.1 Zammad Zammad 2.7.0 Zammad Zammad 2.7.1 Zammad Zammad 2.7.2 Zammad Zammad 2.8.0 Zammad Zammad 2.8.1 Zammad Zammad 2.9.0 Zammad Zammad 2.10.0 Zammad Zammad 3.0.0 Zammad Zammad 3.0.1 Zammad Zammad 3.1.0 Zammad Zammad 3.1.1 Zammad Zammad 3.2.0 Zammad Zammad 3.2.1 Zammad Zammad 3.3.0 Zammad Zammad 3.3.1 Zammad Zammad 3.4.0 Zammad Zammad 3.4.1 Zammad Zammad 3.5.0 Zammad Zammad 3.5.1 Zammad Zammad 3.6.0 Zammad Zammad 3.6.1 Zammad Zammad 4.0.0 Zammad Zammad 4.0.1 Zammad Zammad 4.1.0	63