CVE-2020-26030

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.49%
Vendor Advisory zammad.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://zammad.com/news/security-advisory-zaa-2020-18 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-26030?
CVE-2020-26030 has been scored as a critical severity vulnerability.
How to fix CVE-2020-26030?
To fix CVE-2020-26030, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26030 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-26030 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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