Vulnerability · Published Jan 13, 2021 · Assigned by icscert

CVE-2020-27265

Critical 9.8

In plain English

A critical-severity stack buffer overflow in PTC Kepware KEPServerEX; ThingWorx Industrial Connectivity; OPC-Aggregator; Rockwell Automation KEPServer Enterprise; GE Digital Industrial Gateway Server; Software Toolbox TOP Server. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 12.5% (higher than 96% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)12.5%top 3.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions are vulnerable to a stack-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and remotely execute code.

Affected products (as reported)

Vendor	Product	Versions
n/a	PTC Kepware KEPServerEX; ThingWorx Industrial Connectivity; OPC-Aggregator; Rockwell Automation KEPServer Enterprise; GE Digital Industrial Gateway Server; Software Toolbox TOP Server	v6.0 to v6.9v6.8 and v6.9All versionsv7.68.804, v7.66All 6.x versions

Weakness: CWE-121

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02 x_refsource_MISC