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Vulnerability record · CVE-2021-33725 · published 12 October 2021

CVE-2021-33725: Siemens sinec nms path traversal vulnerability

Siemens · Sinec Nms

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). The affected system allows to delete arbitrary files or directories under a user controlled path and does not correctly check if the relative path is still within the intended target directory.

9.1 CVSS 3.1 Critical EPSS 1.0% · top 37.7% CWE-22 · Path traversal
9.1CVSS 3.1 base score, v2 5.0
1.0%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 SP2 Update 1). The affected system allows to delete arbitrary files or directories under a user controlled path and does not correctly check if the relative path is still within the intended target directory.

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

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-163251.pdf PatchVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdf PatchVendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2021-33725), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.