HOMEVULNERABILITIESCVE-2019-10689
MEDIUM

CVE-2019-10689

CWE-287Published: June 24, 2019· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

VVX products using UCS software version 5.9.2 and earlier with Better Together over Ethernet Connector (BToE) application version 3.9.1 and earlier provides insufficient authentication between the BToE application and the BToE component, resulting in leakage of sensitive information.

NVD Source

Technical Analysis

CVE-2019-10689 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

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 6.5.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

polycom2 product(s)
better together over ethernet connectorunified communications software
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2019-10689
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-287
CISA KEVNo
Affected1 vendor(s)
PublishedJun 24, 2019

Related CVEs (CWE-287)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-10689 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.