CVE Vulnerability

CVE-2020-26030

An issue was discovered in Zammad before 3.4.1. There is an authentication bypass in the SSO endpoint via a crafted header, when SSO is not configured. An attacker can create a valid and authenticated session that can be used to perform any actions in the name of other users.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://zammad.com/news/security-advisory-zaa-2020-18 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*
Information

Published : 2020-12-28 08:15

Updated : 2020-12-29 02:31

NVD link : CVE-2020-26030

Mitre link : CVE-2020-26030

Products Affected
No products.
CWE
CWE-287