CVE-2021-37200 Path traversal in SINEC NMS

What is CVE-2021-37200?

CVE-2021-37200 is a high-severity path traversal vulnerability in Siemens SINEC NMS, published on 14 Sep 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP1). An attacker with access to the webserver of an affected system could download arbitrary files from the underlying filesystem by sending a specially crafted HTTP request.

Weakness: CWE-22

Which versions are affected by CVE-2021-37200?

It affects 1 product.

Products include Siemens Sinec Network Management System.

How do I fix CVE-2021-37200?

No fix has been published for CVE-2021-37200 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-2021-37200 being exploited?

There is no known exploitation of CVE-2021-37200 in the wild and no public exploit code.

Other vulnerabilities in Siemens SINEC NMS

• CVE-2021-37201 Cross-site request forgery in SINEC NMS High 8.8
• CVE-2020-25237 Path traversal in SINEC NMS High 8.1
• CVE-2022-25311 Privilege escalation in SINEC NMS High 7.3
• CVE-2022-24281 SQL injection in SINEC NMS High 7.2
• CVE-2022-24282 Deserialization in SINEC NMS High 7.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-fx3m-586f-fprw.