Read the docs
TI-2020-17024 Aliases CVE-2020-27990GHSA-pxmr-qpfw-pj3x

Nagios XI before 5.7.5 is vulnerable to XSS in the Deployment tool (add agent).

Priority MEDIUM 50CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Nagios XI before 5.7.5 is vulnerable to XSS in the Deployment tool (add agent).

Why it matters now

EPSS 0.34363 98th percentileScored 2026-11-07
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*before 5.7.5VulnerableNagios
  • cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:* Versions before 5.7.5 Vulnerable ·Nagios

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27990
  2. 2026-10-03 Alias added: GHSA-pxmr-qpfw-pj3x

References

Advisory 1

  • 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