CVE-2021-29643
MEDIUM
5.4
CVSS Score
Published: September 13, 2021 at 02:42 PM UTC
Updated: June 17, 2026 at 03:48 AM UTC
1 product affected across 1 vendorPRTG Network Monitor
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.6%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 21.3.69.1333
Affected range stops below 21.3.69.1333, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://raxis.com/blog/prtg-network-monitor-cve-2021-29643x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.paessler.com/prtg/history/stable#21.3.69.1333CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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