What is CVE-2020-13540?

CVE-2020-13540 is a high-severity vulnerability in Win911 Win-911, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2021-01-05.

How severe is CVE-2020-13540?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-13540 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Win911 Win-911

CVE-2020-13540

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: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Win911 Win-911 — versions 4.20.13
N/a Win-911 — versions Win-911 Enterprise V4.20.13

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-13540

References

talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-13540?: CVE-2020-13540 is a high-severity vulnerability in Win911 Win-911, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2021-01-05.
How severe is CVE-2020-13540?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-13540 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.