CVE-2021-33726 Path traversal in SINEC NMS
An attacker can download arbitrary files from the SINEC NMS server by manipulating the file path, leading to unauthorized data disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-33726?
CVE-2021-33726 is a high-severity path traversal vulnerability in Siemens SINEC NMS, published on 12 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system allows to download arbitrary files under a user controlled path and does not correctly check if the relative path is still within the intended target directory.
Weakness: CWE-22
Which versions are affected by CVE-2021-33726?
It affects 1 product.
Products include Siemens Sinec Nms.
How do I fix CVE-2021-33726?
No fix has been published for CVE-2021-33726 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-33726 being exploited?
There is no known exploitation of CVE-2021-33726 in the wild and no public exploit code.
Other vulnerabilities in Siemens SINEC NMS
Sources
Also known as GHSA-3h7m-9gfc-x247.