CVE-2020-5791
Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a...
Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a remote, authenticated admin user to execute operating system commands with the privileges of the apache user.
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
Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a remote, authenticated admin user to execute operating system commands with the privileges of the apache user.
- Record
CVE-2020-5791- 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 No score
Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a remote, authenticated admin user to execute operating system commands with the privileges of the apache user.
- Record
CVE-2020-5791- Updated
- 2026-11-02
EUVDEUVD-2020-26948 No score
Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a remote, authenticated admin user to execute operating system commands with the privileges of the apache user.
- Record
EUVD-2020-26948- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2j39-6c38-r3mx
Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a...
Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a remote, authenticated admin user to execute operating system commands with the privileges of the apache user.
- Record
GHSA-2j39-6c38-r3mx- 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
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | Nagios XI 5.6.0-5.7.3 - Mibs.php Authenticated Remote Code Exection | 2020-10-20 |
| Exploit-DB | Nagios XI 5.7.3 - 'mibs.php' Remote Command Injection (Authenticated) | 2020-10-28 |
| Metasploit | Nagios XI Scanner |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploits, facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5791 is a high vulnerability (CVSS 7.2) in Nagios Xi, published October 20, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 78.6%, the 99th percentile. No source names a fixed version.