CVE-2023-51630 json
Paessler PRTG Network Monitor Cross-Site Scripting Authentication Bypass Vulnerability
published 2024-02-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56342
- cvss
- 8.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
Paessler PRTG Network Monitor Cross-Site Scripting Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Paessler PRTG Network Monitor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the web console. The issue results from the lack of proper validation of user-supplied data, which can lead to the injection of an arbitrary script. An attacker can leverage this vulnerability to bypass authentication on the system. . Was ZDI-CAN-21182.
Patch / fix
- paessler prtg_network_monitor 24.1.90.1306
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.75% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Paessler PRTG Network Monitor
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
zerodayinitiative.com
/advisories/ZDI-24-073/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2023-51630
- NVD CVE-2023-51630
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