Use After Free in Ge Industrial Gateway Server
CVE-2020-27267
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, and 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: Use-After-Free
EPSS: 0.049 (91.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Ge Industrial_gateway_server — versions 7.66, 7.68.804
- Ptc Kepware_kepserverex — versions 6.0, 6.9
- Ptc Opc-aggregator
- Ptc Thingworx_industrial_connectivity
- Ptc Thingworx_kepware_server — versions 6.8, 6.9
- Rockwellautomation Kepserver_enterprise — versions 6.6.504.0, 6.9.572.0
- Softwaretoolbox Top_server
- N/a Ge Digital Industrial Gateway Server — versions v7.68.804, v7.66
- N/a Opc-aggregator — versions All versions
- N/a Ptc Kepware Kepserverex — versions v6.0 to v6.9
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-27267?
- CVE-2020-27267 is a critical-severity vulnerability in Ge Industrial Gateway Server, classified under Use After Free. CVSS score: 9.1/10. Published 2021-01-14.
- How severe is CVE-2020-27267?
- Critical severity. CVSS v3 base score is 9.1 out of 10.