How severe is CVE-2019-10689?

CVE-2019-10689 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-10689 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10689?

CVE-2019-10689 primarily affects Polycom Better Together Over Ethernet Connector. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-10689?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-10689 published?

CVE-2019-10689 was published on 2019-06-24 and last updated on 2026-06-17.

CVE-2019-10689

CVE-2019-10689 is a medium-severity vulnerability in Polycom Better Together Over Ethernet Connector with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Polycom Better Together Over Ethernet Connector
Published: 2019-06-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-10689?: 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.
How severe is CVE-2019-10689?: CVE-2019-10689 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-10689 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10689?: CVE-2019-10689 primarily affects Polycom Better Together Over Ethernet Connector. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-10689?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-10689 published?: CVE-2019-10689 was published on 2019-06-24 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:polycom:better_together_over_ethernet_connector:*:*:*:*:*:*:*:*
cpe:2.3:a:polycom:unified_communications_software:*:*:*:*:*:*:*:*

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