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Critical severity9.8NVD Advisory· Published Oct 7, 2021· Updated Jun 17, 2026

CVE-2021-42090

CVE-2021-42090

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Zammad/Zammad2 versions
cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*range: <4.1.1
- (no CPE)range: <4.1.1
Zammad/Zammaddescription

Patches

Vulnerability mechanics

References

1

zammad.com/en/advisories/zaa-2021-14nvdVendor Advisory

News mentions

0

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