Is CVE-2018-20369 actively exploited?

No active exploitation of CVE-2018-20369 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-20369 be exploited remotely?

Yes. CVE-2018-20369 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-20369?

CVE-2018-20369 has a CVSS score of 6.1 (MEDIUM).

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MEDIUM

CVE-2018-20369

CWE-79Published: December 23, 2018· Updated: Jun 17, 2026

6.1

CVSS v3.1

Official Description

Barracuda Message Archiver 2018 has XSS in the error_msg exception-handling value for the ldap_user parameter to the cgi-mod/ldap_load_entry.cgi module. The injection point of the issue is the Add_Update module.

NVD Source

Technical Analysis

CVE-2018-20369 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.