A vulnerability in the web-based management interface of VVX, Trio, SoundStructure, SoundPoint, and SoundStation phones running Polycom UC…

published 2019-07-29 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4524

cvss: 8.3; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits: 0; none known

A vulnerability in the web-based management interface of VVX, Trio, SoundStructure, SoundPoint, and SoundStation phones running Polycom UC Software, if exploited, could allow an authenticated, remote attacker with admin privileges to cause a denial of service (DoS) condition or execute arbitrary code.

Patch / fix

fixed in 2

polycom unified_communications_software 5.8.5.1256, 5.9.3.2857, 6.0.0.4839
polycom united_communications_software 4.0.14.1580, 5.9.0

Exploit prediction

1.73% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

CWE-749 Exposed Dangerous Method or Function

References

support.polycom.com /content/dam/polycom-support/global/documentation/remote-code-execution-vulnerability-in-ucs-software-v1-1.pdf
vendor-advisory

Sources

CVE List CVE-2019-12948
NVD CVE-2019-12948

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary