CVE-2018-9276
An issue was discovered in PRTG Network Monitor before 18.2.39. An attacker who has access to the...
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 and on devices) by sending malformed parameters in sensor or notification management scenarios.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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 and on devices) by sending malformed parameters in sensor or notification management scenarios.
- Record
CVE-2018-9276- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List
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 and on devices) by sending malformed parameters in sensor or notification management scenarios.
- Record
CVE-2018-9276- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2018-20870
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 and on devices) by sending malformed parameters in sensor or notification management scenarios.
- Record
EUVD-2018-20870- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cjqq-8xv6-575p
An issue was discovered in PRTG Network Monitor before 18.2.39. An attacker who has access to the...
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 and on devices) by sending malformed parameters in sensor or notification management scenarios.
- Record
GHSA-cjqq-8xv6-575p- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-78
- Updated
- 2026-11-02
CISA KEV No score
Paessler PRTG Network Monitor OS Command Injection Vulnerability
Paessler PRTG Network Monitor contains an OS command injection vulnerability that allows an attacker with administrative privileges to execute commands via the PRTG System Administrator web console.
- Record
CVE-2018-9276- Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | PRTG Network Monitor Authenticated RCE | 2018-06-25 |
| Exploit-DB | PRTG Network Monitor 18.2.38 - (Authenticated) Remote Code Execution | 2019-03-11 |
| PoC in GitHub | wildkindcc/CVE-2018-9276 | 2019-03-31 |
| PoC in GitHub | andyfeili/CVE-2018-9276 | 2021-01-02 |
| PoC in GitHub | alvinsmith-eroad/CVE-2018-9276 | 2021-07-29 |
| PoC in GitHub | AC8999/PRTG-Network-Monitor-18.2.38---Authenticated-Remote-Code-Execution-CVE-2018-9276 | 2026-04-07 |
| PoC in GitHub | BardLaudian/CVE-2018-9276 | 2026-06-13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, Metasploit, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-9276 is a high vulnerability (CVSS 7.2) in Paessler Prtg Network Monitor, published July 2, 2018. CISA lists it as known to be exploited, since February 4, 2025. EUVD reports exploitation since February 4, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 87.0%, the 99th percentile. No source names a fixed version.
References
packetstormsecurity.com/files/148334/PRTG-Command-Injection.html
exploit-db.com/exploits/46527
securityfocus.com/archive/1/542103/100/0/threaded
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-9276
nvd.nist.gov/vuln/detail/CVE-2018-9276
github.com/advisories/GHSA-cjqq-8xv6-575p