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CVE-2020-13539

25
FAUCET Score

CVE-2020-13539 is a local privilege escalation vulnerability affecting Win-911 Enterprise V4.20.13. It stems from insecure file system permissions within the install directory, specifically impacting the “WIN-911 Mobile Runtime” service. An attacker with local access could overwrite executables, leading to elevated privileges upon execution. This vulnerability has a CVSS score of 7.8 (High), indicating a significant risk with low attack complexity and requiring local user privileges. There is currently no evidence of active exploitation, nor are there publicly available exploits in Metasploit, Nuclei, or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.20.13CPE matchmatch criteria
cpe:2.3:a:win911:win-911:4.20.13:*:*:*:enterprise:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.3CRITICAL

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 83rd percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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

talosintelligence.com / vulnerability_reports/TALOS-2020-1150
ExploitTechnical DescriptionThird Party Advisory
talosintelligence.com / vulnerability_reports/TALOS-2020-1150
ExploitTechnical DescriptionThird Party Advisory