CVE-2021-34547

Name: CVE-2021-34547
Creator: NVD / NIST
Published: 2021-06-10T15:15:09.613+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2021-34547 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. PRTG Network Monitor 20.1.55.1775 allows /editsettings CSRF for user account creation.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

PRTG Network Monitor 20.1.55.1775 allows /editsettings CSRF for user account creation.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.45%

35.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Paessler	Prtg Network Monitor	20.1.55.1775

References

https://github.com/likhihcv/PRTG_Network_Monitor_20.1.55.1775_CSRFExploit, Third Party Advisory
https://github.com/likhihcv/PRTG_Network_Monitor_20.1.55.1775_CSRFExploit, Third Party Advisory

Timeline

Published: Jun 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34547?

PRTG Network Monitor 20.1.55.1775 allows /editsettings CSRF for user account creation.

How severe is CVE-2021-34547?

CVE-2021-34547 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34547?

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-2021-34547?

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

Scan your code now

Source: NVD / NIST