9.1

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.

Data is provided by the National Vulnerability Database (NVD)
Ge ≫ Industrial Gateway Server Version7.66
Ge ≫ Industrial Gateway Server Version7.68.804
Ptc ≫ Kepware Kepserverex Version6.0
Ptc ≫ Kepware Kepserverex Version6.9
Ptc ≫ Opc-aggregator Version-
Ptc ≫ Thingworx Kepware Server Version6.8
Ptc ≫ Thingworx Kepware Server Version6.9
Softwaretoolbox ≫ Top Server Version >= 6.0 <= 6.9
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.13% 0.33
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
nvd@nist.gov 6.4 10 4.9
AV:N/AC:L/Au:N/C:P/I:N/A:P
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02
Third Party Advisory
US Government Resource