CVE-2021-3193
Improper access and command validation in the Docker config wizard of Nagios XI before 5.8.0...
Improper access and command validation in the Nagios Docker Config Wizard before 1.1.2, as used in Nagios XI through 5.7, allows an unauthenticated attacker to execute remote code as the apache user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
Improper access and command validation in the Nagios Docker Config Wizard before 1.1.2, as used in Nagios XI through 5.7, allows an unauthenticated attacker to execute remote code as the apache user.
- Record
CVE-2021-3193- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Improper access and command validation in the Nagios Docker Config Wizard before 1.1.2, as used in Nagios XI through 5.7, allows an unauthenticated attacker to execute remote code as the apache user.
- Record
CVE-2021-3193- Updated
- 2026-11-02
EUVDEUVD-2021-26534 No score
Improper access and command validation in the Nagios Docker Config Wizard before 1.1.2, as used in Nagios XI through 5.7, allows an unauthenticated attacker to execute remote code as the apache user.
- Record
EUVD-2021-26534- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9f3q-pwxj-87pv No score
Improper access and command validation in the Docker config wizard of Nagios XI before 5.8.0...
Improper access and command validation in the Docker config wizard of Nagios XI before 5.8.0 allows an authenticated attacker to execute remote code as the apache user.
- Record
GHSA-9f3q-pwxj-87pv- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3193 is a critical vulnerability (CVSS 9.8) in Nagios Xi, published January 22, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.89%, the 95th percentile. No source names a fixed version.