Is CVE-2018-16499 actively exploited?

No active exploitation of CVE-2018-16499 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-16499 be exploited remotely?

Yes. CVE-2018-16499 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-16499?

CVE-2018-16499 has a CVSS score of 5.9 (MEDIUM).

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MEDIUM

CVE-2018-16499

CWE-326Published: May 26, 2021· Updated: Jun 17, 2026

5.9

CVSS v3.1

Official Description

In VOS compromised, an attacker at network endpoints can possibly view communications between an unsuspecting user and the service using man-in-the-middle attacks. Usage of unapproved SSH encryption protocols or cipher suites also violates the Data Protection TSR (Technical Security Requirements).

NVD Source

Technical Analysis

CVE-2018-16499 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 5.9.