Vulnerability · Published Sep 14, 2021 · Assigned by siemens

CVE-2021-31891

Critical 10.0

In plain English

A critical-severity OS command injection in Desigo CC from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.8% (higher than 90% of all known vulnerabilities).

Severity (CVSS NVD)10.0Critical

Exploit odds (30 days)3.8%top 9.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Siemens	Desigo CC	All versions with OIS Extension Module
Siemens	GMA-Manager	All versions with OIS running on Debian 9 or earlier
Siemens	Operation Scheduler	All versions with OIS running on Debian 9 or earlier
Siemens	Siveillance Control	All versions with OIS running on Debian 9 or earlier
Siemens	Siveillance Control Pro	All versions

Weakness: CWE-78

References

https://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdf x_refsource_MISC