RCE in Siemens Desigo Cc
CVE-2021-31891
A vulnerability has been identified in Desigo CC (All versions with OIS Extension Module), GMA-Manager (All versions with OIS running on Debian 9 or earlier), Operation Scheduler (All versions with OIS running on Debian 9 or earlier), Siveillance Control (All versions with OIS running on Debian 9 or earlier), Siveillance Control Pro (All versions). The affected application incorrectly neutralizes special elements in a specific HTTP GET request which could lead to command injection. An unauthenticated remote attacker could exploit this vulnerability to execute arbitrary code on the system with root privileges.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.038 (89.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Siemens Desigo Cc — versions All versions with OIS Extension Module
- Siemens Desigo_cc
- Siemens Gma-manager — versions All versions with OIS running on Debian 9 or earlier
- Siemens Operation Scheduler — versions All versions with OIS running on Debian 9 or earlier
- Siemens Operation_scheduler
- Siemens Siveillance Control — versions All versions with OIS running on Debian 9 or earlier
- Siemens Siveillance_control
- Siemens Siveillance Control Pro — versions All versions
- Siemens Siveillance_control_pro
- Debian Debian_linux
Weakness classification (CWE)
References
- productcert@siemens.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-31891?
- CVE-2021-31891 is a critical-severity vulnerability in Siemens Desigo Cc, classified under OS Command Injection. CVSS score: 10.0/10. Published 2021-09-14.
- How severe is CVE-2021-31891?
- Critical severity. CVSS v3 base score is 10.0 out of 10.