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.
Daten sind bereitgestellt durch 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 Version 2019 Update sp1
Siemens ≫ Simatic Information Server Version 2020 Update -
Siemens ≫ Simatic Pcs Neo Version < 3.1
Siemens ≫ Simatic Wincc Oa Version 3.17 Update -
Siemens ≫ Simatic Wincc Oa Version 3.18 Update -
Siemens ≫ Simit Simulation Platform Version >= 10.0 < 10.3
Siemens ≫ Simit Simulation Platform Version 10.3 Update -
Siemens ≫ Sinec Infrastructure Network Services Version 1.0.1 Update -
Siemens ≫ Sinema Remote Connect Server Version 3.0 Update -
Siemens ≫ Sinema Remote Connect Server Version 3.0 Update sp1
Siemens ≫ Simatic Process Historian Version >= 2019 < 2020
Siemens ≫ Simatic Process Historian Version 2020 Update -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 33.3% 0.982
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 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
NIST 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://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf
Vendor Advisory
Mitigation
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf
Patch
Third Party Advisory
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