PT-2020-13939 · Zammad · Zammad

Björn Engels · Published 2020-06-16 · Updated 2021-07-21 · CVE-2020-14214

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Zammad versions prior to 3.3.1

Description The issue relies on a claimed e-mail address for authorization decisions when Domain Based Assignment is enabled. An attacker can register a new account to gain access to all tickets of an arbitrary Organization.

Recommendations For versions prior to 3.3.1, update to version 3.3.1 or later to resolve the issue. As a temporary workaround, consider disabling the Domain Based Assignment feature until a patch is available. Restrict access to sensitive tickets and organizations to minimize the risk of exploitation.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2020-14214

Affected Products

Zammad

References · 4

• https://github.com/zammad/zammad/commit/40148392426f626cb779c76d6bdda0f67bd6069d · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-14214 · Security Note
• https://osv.dev/vulnerability/CVE-2020-14214 · Vendor Advisory
• https://zammad.com/news/security-advisory-zaa-2020-12 · Vendor Advisory