PT-2020-16271 · Zammad · Zammad

Published 2020-12-28 · Updated 2020-12-30 · CVE-2020-26034

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 3.4.1

Description An account-enumeration issue was discovered in the Create User functionality, allowing an anonymous user to guess valid user email addresses. The application responds differently depending on whether the input supplied was recognized as associated with a valid user.

Recommendations For versions prior to 3.4.1, update to version 3.4.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the Create User functionality to minimize the risk of exploitation.

Fix

Related Identifiers

CVE-2020-26034

Affected Products

Zammad

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-26034 · Security Note
• https://osv.dev/vulnerability/CVE-2020-26034 · Vendor Advisory
• https://zammad.com/news/security-advisory-zaa-2020-14 · Vendor Advisory
• https://t.me/cibsecurity/21333 · Telegram Post
• https://t.me/cvenotify/7803 · Telegram Post