CVE-2020-26029

MEDIUM

Zammad < 3.4.1 - Incorrect Authorization via X-On-Behalf-Of Header

Title source: llm
STIX 2.1

Description

An issue was discovered in Zammad before 3.4.1. There are wrong authorization checks for impersonation requests via X-On-Behalf-Of. The authorization checks are performed for the actual user and not the one given in the X-On-Behalf-Of header.

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0078
EPSS Percentile 51.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-863
Status published
Products (1)
zammad/zammad 1.0.0 - 3.4.1
Published Dec 28, 2020
Tracked Since Feb 18, 2026