What’s Vulnerable › Vulnerabilities

CVE-2020-29160

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-28 · updated 2026-06-17
• Weakness: CWE-862

Description

An issue was discovered in Zammad before 3.5.1. A REST API call allows an attacker to change Ticket Article data in a way that defeats auditing.

Affected products

• zammad: before 3.5.1 — fixed in 3.5.1

How to fix

Upgrade to a fixed version: zammad 3.5.1. Check the vendor advisory for mitigations.

References

• https://github.com/zammad/zammad/commit/28944de180a88698509a656f61558bf9d7f810f4
• https://zammad.com/en/advisories/zaa-2020-24
• https://github.com/zammad/zammad/commit/28944de180a88698509a656f61558bf9d7f810f4
• https://zammad.com/en/advisories/zaa-2020-24

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