Is CVE-2023-2534 actively exploited?

No active exploitation of CVE-2023-2534 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-2534 be exploited remotely?

Yes. CVE-2023-2534 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-2534?

CVE-2023-2534 has a CVSS score of 8.1 (HIGH).

HOME VULNERABILITIESCVE-2023-2534

HIGH

CVE-2023-2534

CWE-285Published: May 8, 2023· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

Improper Authorization vulnerability in OTRS AG OTRS 8 (Websocket API backend) allows any as Agent authenticated attacker to track user behaviour and to gain live insight into overall system usage. User IDs can easily be correlated with real names e. g. via

ticket histories by any user. (Fuzzing for garnering other adjacent user/sensitive data). Subscribing to all possible push events could also lead to performance implications on the server side, depending on the size of the installation

and the number of active users. (Flooding)This issue affects OTRS: from 8.0.X before 8.0.32.

NVD Source

Technical Analysis

CVE-2023-2534 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), availability disruption (denial of service), with a CVSS base score of 8.1.