Buffer overflow in Ge Industrial Gateway Server

CVE-2020-27263

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 heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.050 (92.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-27263: held from 0.049 to 0.050.

EPSS over last 30 days · oldest: 0.049 · newest: 0.050 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-27263?
CVE-2020-27263 is a critical-severity vulnerability in Ge Industrial Gateway Server, classified under Heap-based Buffer Overflow. CVSS score: 9.1/10. Published 2021-01-14.
How severe is CVE-2020-27263?
Critical severity. CVSS v3 base score is 9.1 out of 10.