CVE-2021-33723

Name: CVE-2021-33723
Creator: NVD / NIST
Published: 2021-10-12T10:15:11.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2021-33723 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). An authenticated attacker could change the user profile of any user without proper authorization. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in SINEC NMS (All versions < V1.0 SP2 Update 1). An authenticated attacker could change the user profile of any user without proper authorization. With this, the attacker could change the password of any user in the affected system.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.60%

44.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-285

Affected Software

Vendor	Product	Versions
Siemens	Sinec Nms	< 1.0
Siemens	Sinec Nms	1.0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-163251.pdfPatch, Vendor Advisory

Timeline

Published: Oct 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33723?

How severe is CVE-2021-33723?

CVE-2021-33723 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33723?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33723?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST