Is CVE-2018-15128 actively exploited?

No active exploitation of CVE-2018-15128 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-15128 be exploited remotely?

Yes. CVE-2018-15128 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-15128?

CVE-2018-15128 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2018-15128

CWE-119Published: May 13, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

An issue was discovered in Polycom Group Series 6.1.6.1 and earlier, HDX 3.1.12 and earlier, and Pano 1.1.1 and earlier. A remote code execution vulnerability exists in the content sharing functionality because of a Buffer Overflow via crafted packets.

NVD Source

Technical Analysis

CVE-2018-15128 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.