CVE-2020-26034

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CVSS 3.1

4.3 medium

EPSS

<1%p52

Published

Dec 28, 2020 (Dec 28, 2020)

Modified

Jun 17, 2026

Description

An account-enumeration issue was discovered in Zammad before 3.4.1. The Create User functionality is implemented in a way that would enable 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.

Vendors: zammad
Products: zammad
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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