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CVE-2020-10515

25
FAUCET Score

CVE-2020-10515 describes a critical binary planting vulnerability in STARFACE UCC Client for Windows versions prior to 6.7.1.204. This flaw allows an unauthenticated attacker to execute arbitrary code with System privileges, posing a severe risk to affected systems. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with no user interaction required, leading to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the high risk score and ease of exploitation necessitate immediate patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.7.1.204CPE matchmatch criteria
cpe:2.3:a:starface:unified_communication_\&_collaboration_client:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.87%
Probability of exploitation in next 30 days
EPSS Percentile
85.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0287 is in the 76th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

herolab.usd.de / security-advisories
Third Party Advisory
support.starface.de / forum/showthread.php
Release NotesVendor Advisory
starface.com / en/business-telephony
Vendor Advisory