CVE-2023-50453 Information disclosure in n/a

What is CVE-2023-50453?

CVE-2023-50453 is a medium-severity vulnerability in Zammad Zammad, published on 10 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Zammad before 6.2.0. It uses the public endpoint /api/v1/signshow for its login screen. This endpoint returns internal configuration data of user object attributes, such as selectable values, which should not be visible to the public.

Which versions are affected by CVE-2023-50453?

It affects 1 product.

Products include Zammad Zammad.

How do I fix CVE-2023-50453?

No fix has been published for CVE-2023-50453 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-50453 being exploited?

There is no known exploitation of CVE-2023-50453 in the wild and no public exploit code.

Other vulnerabilities in Zammad Zammad

• CVE-2026-102489 Zammad GmbH Zammad Session Fixation Exploited High 8.7
• CVE-2026-102490 Zammad GmbH Zammad Improper Privilege Management Exploited High 8.5
• CVE-2022-48021 Code injection in n/a Critical 9.8
• CVE-2022-35490 Security feature bypass in n/a Critical 9.8
• CVE-2021-42090 Deserialization in n/a Critical 9.8

All Zammad Zammad vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cfgq-jw59-g278.