PT-2021-23517 · Zammad · Zammad

Emil Virkki · Published 2021-10-07 · Updated 2021-10-14 · CVE-2021-42090

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 4.1.1

Description An issue in the Form functionality allows remote code execution due to mishandled deserialization.

Recommendations For versions prior to 4.1.1, update to version 4.1.1 or later to resolve the issue.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2021-42090

Affected Products

Zammad

References · 5

• https://osv.dev/vulnerability/CVE-2021-42090 · Vendor Advisory
• https://zammad.com/en/advisories/zaa-2021-14 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-42090 · Security Note
• https://t.me/cibsecurity/30220 · Telegram Post
• https://t.me/cvenotify/22115 · Telegram Post