What is CVE-2018-9276?

CVE-2018-9276 is a high-severity vulnerability in Paessler Prtg_network_monitor, classified under OS Command Injection. CVSS score: 7.2/10. Published 2018-07-02.

How severe is CVE-2018-9276?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2018-9276 known to be exploited?

Yes. CVE-2018-9276 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-02-04), indicating it is being actively exploited. 22 public proof-of-concept repositories are indexed.

RCE in Paessler Prtg_network_monitor

CVE-2018-9276

An issue was discovered in PRTG Network Monitor before 18.2.39. An attacker who has access to the PRTG System Administrator web console with administrative privileges can exploit an OS command injection vulnerability (both on the server an…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.872 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Paessler Prtg_network_monitor
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-02-04. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-02-25.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC, Mitigation)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, VDB Entry, Third Party Advisory, Broken Link)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2018-9276?: CVE-2018-9276 is a high-severity vulnerability in Paessler Prtg_network_monitor, classified under OS Command Injection. CVSS score: 7.2/10. Published 2018-07-02.
How severe is CVE-2018-9276?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2018-9276 known to be exploited?: Yes. CVE-2018-9276 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-02-04), indicating it is being actively exploited. 22 public proof-of-concept repositories are indexed.