Is CVE-2020-10100 actively exploited?

No active exploitation of CVE-2020-10100 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-10100 be exploited remotely?

Yes. CVE-2020-10100 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-10100?

CVE-2020-10100 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2020-10100

NVD-CWE-noinfoPublished: March 5, 2020· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

An issue was discovered in Zammad 3.0 through 3.2. It allows for users to view ticket customer details associated with specific customers. However, the application does not properly implement access controls related to this functionality. As such, users of one company are able to access ticket data from other companies. Due to the multi-tenant nature of this application, users who can access ticket details from one organization to the next allows for users to exfiltrate potentially sensitive data of other companies.

NVD Source

Technical Analysis

CVE-2020-10100 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.