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Vulnerability record · CVE-2021-37200 · published 14 September 2021

CVE-2021-37200: Siemens sinec network management system path traversal vulnerability

Siemens · Sinec Network Management System

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.

7.7 CVSS 3.1 High EPSS 37% · top 1.5% CWE-22 · Path traversal
7.7CVSS 3.1 base score, v2 4.0
37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-330339.pdf PatchVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-330339.pdf PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-37200), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.