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CVE-2020-11547

50
FAUCET Score

CVE-2020-11547 describes an information disclosure vulnerability in PRTG Network Monitor versions prior to 20.1.57.1745. This flaw allows unauthenticated attackers to remotely access sensitive system information, such as CPU usage, memory, Windows version, and internal statistics, by sending specific HTTP requests to login.htm or index.htm. The vulnerability is rated Medium severity (CVSS 5.3) due to its network-based attack vector and low complexity, with a potential impact of unauthorized information exposure. While there is no evidence of active exploitation or Metasploit modules, Nuclei templates exist for detection, and the CVE has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 20.1.57.1745CPE matchmatch criteria
cpe:2.3:a:paessler:prtg_network_monitor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
52.06%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Nuclei: CVE-2020-11547 · Sep 2, 2021
This CVE's current EPSS score of 0.5206 is in the 99th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / ch-rigu/PRTG-Network-Monitor-Information-Disclosure
Broken Link