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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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, 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.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 4.94% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416, CWE-787
- Affected
- ge/industrial gateway server · ptc/kepware kepserverex · ptc/opc-aggregator · ptc/thingworx industrial connectivity · ptc/thingworx kepware server · rockwellautomation/kepserver enterprise · softwaretoolbox/top server
- Source
- ics-cert@hq.dhs.gov
References
- https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.