CVE-2020-6586

Nagios Log Server 2.1.3 allows XSS by visiting /profile and entering a crafted name field that is...

5.4 Medium

Nagios Log Server 2.1.3 allows XSS by visiting /profile and entering a crafted name field that is mishandled on the /admin/users page. Any malicious user with limited access can store an XSS payload in his Name. When any admin views this, the XSS is triggered.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

19.0%Up 18.2 points since Apr 14, 2021

What each source reports

NVD Score used 5.4

Record: CVE-2020-6586
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-6586
Updated: 2026-11-02

EUVDEUVD-2020-27734 No score

Record: EUVD-2020-27734
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hfv9-633j-xh79 No score

Nagios Log Server 2.1.3 allows XSS by visiting /profile and entering a crafted name field that is...

Record: GHSA-hfv9-633j-xh79
Updated: 2026-11-02

Affected products

nagios

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-6586 is a medium vulnerability (CVSS 5.4) in Nagios, published March 16, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 19.0%, the 97th percentile. No source names a fixed version.