Vulnerability Details : 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 category: Execute code
Products affected by CVE-2021-31891
- cpe:2.3:a:siemens:desigo_cc:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:gma-manager:*:*:*:*:*:*:*:*When used together with: Debian » Debian Linux
- cpe:2.3:a:siemens:operation_scheduler:*:*:*:*:*:*:*:*When used together with: Debian » Debian Linux
- cpe:2.3:a:siemens:siveillance_control:*:*:*:*:*:*:*:*When used together with: Debian » Debian Linux
- cpe:2.3:a:siemens:siveillance_control_pro:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31891
4.58%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31891
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
10.0
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
3.9
|
6.0
|
NIST |
CWE ids for CVE-2021-31891
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: productcert@siemens.com (Primary)
References for CVE-2021-31891
-
https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdf
Patch;Vendor Advisory
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