Vulnerability · Published Dec 18, 2020 · Assigned by talos

CVE-2020-13535

Critical 9.3

In plain English

A critical-severity incorrect default permissions in Kepware. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.0)9.3Critical

Exploit odds (30 days)0.7%top 47.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A privilege escalation vulnerability exists in Kepware LinkMaster 3.0.94.0. In its default configuration, an attacker can globally overwrite service configuration to execute arbitrary code with NT SYSTEM privileges.

Affected products (as reported)

Vendor	Product	Versions
n/a	Kepware	Kepware LinkMaster 3.0.94.0

Weakness: CWE-276 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1147 x_refsource_MISC