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CVE-2019-10689

21
FAUCET Score

CVE-2019-10689 describes an insufficient authentication vulnerability in Polycom VVX products running UCS software version 5.9.2 and earlier, specifically impacting the Better Together over Ethernet Connector (BToE) application version 3.9.1 and earlier. This flaw allows for sensitive information leakage due to inadequate authentication between the BToE application and its component. With a CVSS score of 6.5 (Medium), this vulnerability is network-adjacent, low complexity, and can lead to high confidentiality impact without requiring user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.9.1CPE matchmatch criteria
cpe:2.3:a:polycom:better_together_over_ethernet_connector:*:*:*:*:*:*:*:*
<= 5.9.2CPE matchmatch criteria
cpe:2.3:a:polycom:unified_communications_software:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.72%
Probability of exploitation in next 30 days
EPSS Percentile
50.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0072 is in the 78th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.polycom.com / content/dam/polycom-support/global/documentation/insufficient-authentication-leakage-vvx-products.pdf
Vendor Advisory
securityfocus.com / bid/108799
Third Party AdvisoryVDB Entry