PT-2020-17102 · Zammad · Zammad

Published 2020-12-28 · Updated 2021-07-21 · CVE-2020-29158

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 3.5.1

Description An issue was discovered in Zammad where an Agent with Customer permissions in a Group can bypass intended access control on internal Articles via the Ticket detail view.

Recommendations For versions prior to 3.5.1, update to version 3.5.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the Ticket detail view for Agents with Customer permissions in a Group to minimize the risk of exploitation.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2020-29158

Affected Products

Zammad

References · 7

• https://github.com/zammad/zammad/commit/cf5a5e396058d4b134dd33d0a62b11c1733c98ab · Patch
• https://osv.dev/vulnerability/CVE-2020-29158 · Vendor Advisory
• https://zammad.com/en/advisories/zaa-2020-23 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-29158 · Security Note
• https://t.me/cibsecurity/21330 · Telegram Post
• https://t.me/cvenotify/7879 · Telegram Post
• https://t.me/cvenotify/7805 · Telegram Post