How severe is CVE-2020-10515?

CVE-2020-10515 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10515 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10515?

CVE-2020-10515 affects Starface Unified Communication & Collaboration Client. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10515?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-10515 published?

CVE-2020-10515 was published on 2020-04-02 and last updated on 2026-06-17.

CVE-2020-10515

CVE-2020-10515 is a critical-severity vulnerability in Starface Unified Communication & Collaboration Client with a CVSS 3.x base score of 9.8. 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-427.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Starface Unified Communication & Collaboration Client
Published: 2020-04-02
Last modified: 2026-06-17

Description

STARFACE UCC Client before 6.7.1.204 on WIndows allows binary planting to execute code with System rights, aka usd-2020-0006.

Frequently asked questions

What is CVE-2020-10515?: STARFACE UCC Client before 6.7.1.204 on WIndows allows binary planting to execute code with System rights, aka usd-2020-0006.
How severe is CVE-2020-10515?: CVE-2020-10515 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10515 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10515?: CVE-2020-10515 affects Starface Unified Communication & Collaboration Client. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10515?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-10515 published?: CVE-2020-10515 was published on 2020-04-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:starface:unified_communication_\&_collaboration_client:*:*:*:*:*:*:*:*

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