What is CVE-2020-11547?

CVE-2020-11547 is a medium-severity vulnerability in Paessler Prtg Network Monitor, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2020-04-05.

How severe is CVE-2020-11547?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2020-11547 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Paessler Prtg Network Monitor

CVE-2020-11547

PRTG Network Monitor before 20.1.57.1745 allows remote unauthenticated attackers to obtain information about probes running or the server itself (CPU usage, memory, Windows version, and internal statistics) via an HTTP request, as demonstrated by type=probes to login.htm or index.htm.

Vulnerability class: Broken Authentication

EPSS: 0.521 (98.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Paessler Prtg_network_monitor
N/a — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC, Broken Link)

Frequently asked questions

What is CVE-2020-11547?: CVE-2020-11547 is a medium-severity vulnerability in Paessler Prtg Network Monitor, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2020-04-05.
How severe is CVE-2020-11547?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2020-11547 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.