Home/CVE/A vulnerability has been identified in Desigo CC (All versions with OIS Extension Module), GMA-Manager (All versions wit
CVE

CVE-2021-31891

A vulnerability has been identified in Desigo CC (All versions with OIS Extension Module), GMA-Manager (All versions wit

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.

CRITICAL · CVSS 10 EPSS 0.04575
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

5
siemens desigo ccall versions
siemens siveillance control proall versions
siemens gma-managerall versions
siemens operation schedulerall versions
siemens siveillance controlall versions
▣

Scoring & Timeline

10
CRITICAL · CVSS v3.1 · productcert@siemens.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Sep 2021 · 11:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

2
siemens-csafSSA-535380
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-257-18
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdfPatchVendor Advisory
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