9.1

CVE-2021-20093

Exploit

A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.

Data is provided by the National Vulnerability Database (NVD)
Wibu ≫ Codemeter Version <= 7.21a
Siemens ≫ Pss Cape Version-
Siemens ≫ Sicam 230 Firmware
   Siemens ≫ Sicam 230 Version-
Siemens ≫ Simatic Information Server Version2019 Updatesp1
Siemens ≫ Simatic Information Server Version2020 Update-
Siemens ≫ Simatic Pcs Neo Version < 3.1
Siemens ≫ Simatic Wincc Oa Version3.17 Update-
Siemens ≫ Simatic Wincc Oa Version3.18 Update-
Siemens ≫ Simit Simulation Platform Version >= 10.0 < 10.3
Siemens ≫ Simit Simulation Platform Version10.3 Update-
Siemens ≫ Sinema Remote Connect Server Version3.0 Update-
Siemens ≫ Sinema Remote Connect Server Version3.0 Updatesp1
Siemens ≫ Simatic Process Historian Version >= 2019 < 2020
Siemens ≫ Simatic Process Historian Version2020 Update-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 8.53% 0.92
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-125 Out-of-bounds Read

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

https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02
Third Party Advisory
US Government Resource
https://www.tenable.com/security/research/tra-2021-24
Patch
Third Party Advisory
Exploit