CVE-2020-29160 : An issue was discovered in Zammad before 3.5.1. A REST API call allows an attack

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.

Published 2020-12-28 08:15:12

Updated 2021-07-21 11:39:24

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-29160

Zammad » Zammad
Versions before (<) 3.5.1
cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.20%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 39 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE-862 Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Assigned by: nvd@nist.gov (Primary)

https://github.com/zammad/zammad/commit/28944de180a88698509a656f61558bf9d7f810f4

Maintenance: Sync Article REST API capabilities with the ones of the … · zammad/zammad@28944de · GitHub
Patch;Third Party Advisory
https://zammad.com/en/advisories/zaa-2020-24

Security Advisory ZAA-2020-24 | Zammad
Vendor Advisory

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