TI-2020-14338 Aliases CVE-2020-22427 GHSA-563r-vq55-rmf7

NagiosXI 5.6.11 is affected by a remote code execution (RCE) vulnerability.

MEDIUM 47Published 2021-02-15 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

NagiosXI 5.6.11 is affected by a remote code execution (RCE) vulnerability. An authenticated nagiosadmin user can inject additional commands into a request. NOTE: the vendor disputes whether the CVE and its references are actionable because all technical details are omitted, and the only option is to pay for a subscription service where technical details may be disclosed at an unspecified later time

Why it matters now

EPSS 0.14278 96th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:nagios:nagios_xi:5.6.11:::::::*	5.6.11	Vulnerable	Nagios

cpe:2.3:a:nagios:nagios_xi:5.6.11:*:*:*:*:*:*:* Versions 5.6.11 Vulnerable ·Nagios

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-22427
2026-10-03 Alias added: GHSA-563r-vq55-rmf7

References

Exploit 1

https://code610.blogspot.com/2020/03/postauth-rce-bugs-in-nagiosxi-5611.html

TI-2021-07545 Nagios XI version xi-5.7.5 is affected by OS command injection. KEVCVSS 3.1HIGH 8.8
TI-2021-07544 Nagios XI version xi-5.7.5 is affected by OS command injection. KEVCVSS 3.1HIGH 8.8
TI-2021-07543 Nagios XI version xi-5.7.5 is affected by OS command injection. KEVCVSS 3.1HIGH 8.8
TI-2019-11993 Nagios XI before 5.6.6 allows remote command execution as root. KEVCVSS 3.1HIGH 8.8
TI-2023-26027 Nagios XI before version 5.11.3 was discovered to contain a remote code execution (RCE)… CVSS 3.1CRITICAL 9.8
TI-2018-11196 Snoopy 1.0 in Nagios XI 5.5.6 allows remote unauthenticated attackers to execute… CVSS 3.0CRITICAL 9.8

See all 191 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences