CVE-2020-13540

Name: CVE-2020-13540
Creator: NVD / NIST
Published: 2021-01-05T16:15:14.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2020-13540 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An exploitable local privilege elevation vulnerability exists in the file system permissions of the Win-911 Enterprise V4.20.13 install directory via WIN-911 Account Change Utility. Depending on the vector chosen, an attacker can overwrite various executables which could lead to escalation of the privileges when executed.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

An exploitable local privilege elevation vulnerability exists in the file system permissions of the Win-911 Enterprise V4.20.13 install directory via WIN-911 Account Change Utility. Depending on the vector chosen, an attacker can overwrite various executables which could lead to escalation of the privileges when executed.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.53%

40.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Win911	Win-911	4.20.13

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1150Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1150Exploit, Technical Description, Third Party Advisory

Timeline

Published: Jan 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13540?

How severe is CVE-2020-13540?

CVE-2020-13540 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13540?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13540?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST