CVE-2021-33721 Command injection in SINEC NMS

High 7.2 Published Updated

An authenticated administrator can execute arbitrary code with system privileges via command injection in batch operations.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-33721?

CVE-2021-33721 is a high-severity command injection vulnerability in Siemens SINEC NMS, published on 10 Aug 2021. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2). The affected application incorrectly neutralizes special elements when creating batch operations which could lead to command injection. An authenticated remote attacker with administrative privileges could exploit this vulnerability to execute arbitrary code on the system with system privileges.

Weakness: CWE-78

Which versions are affected by CVE-2021-33721?

It affects 1 product.

Products include Siemens Sinec Network Management System.

How do I fix CVE-2021-33721?

No fix has been published for CVE-2021-33721 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2021-33721 being exploited?

There is no known exploitation of CVE-2021-33721 in the wild and no public exploit code.

Sources

Also known as GHSA-63f9-382x-9vr8.

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