CVE-2021-31891

Description

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.

Category

10.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.58% Top 15%
Vendor Advisory siemens.com
Affected: Siemens Desigo CC
Affected: Siemens GMA-Manager
Affected: Siemens Operation Scheduler
Affected: Siemens Siveillance Control
Affected: Siemens Siveillance Control Pro
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdf patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-31891?
CVE-2021-31891 has been scored as a critical severity vulnerability.
How to fix CVE-2021-31891?
To fix CVE-2021-31891, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31891 being actively exploited in the wild?
It is possible that CVE-2021-31891 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-31891?
CVE-2021-31891 affects Siemens Desigo CC, Siemens GMA-Manager, Siemens Operation Scheduler, Siemens Siveillance Control, Siemens Siveillance Control Pro.
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