CVE-2021-29643

5.4 mediumEPSS 0.6%

Medium (5.4) in paessler prtg network monitor. EPSS 0.6% chance of exploitation in the next 30 days.

PRTG Network Monitor before 21.3.69.1333 allows stored XSS via an unsanitized string imported from a User Object in a connected Active Directory instance.

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-09-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

paessler:prtg_network_monitor

References

https://raxis.com/blog/prtg-network-monitor-cve-2021-29643
https://www.paessler.com/prtg/history/stable#21.3.69.1333
https://raxis.com/blog/prtg-network-monitor-cve-2021-29643
https://www.paessler.com/prtg/history/stable#21.3.69.1333

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