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
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 over last 30 days · oldest: 0.049 · newest: 0.050 · change: +0.001
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
- Ge Digital Industrial Gateway Server — versions v7.68.804, v7.66
- Opc-Aggregator — versions All versions
- Ptc Kepware Kepserverex — versions v6.0 to v6.9
Weakness classification (CWE)
References
- us-cert.cisa.gov/ics/advisories/icsa-20-352-02 (US Government Resource, Third Party Advisory)
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.