Is CVE-2011-2477 actively exploited?

No active exploitation of CVE-2011-2477 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2011-2477 be exploited remotely?

Yes. CVE-2011-2477 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2011-2477?

CVE-2011-2477 has a CVSS score of 2.6 (LOW).

HOME VULNERABILITIESCVE-2011-2477

LOW

CVE-2011-2477

CWE-79Published: June 14, 2011· Updated: Jun 16, 2026

2.6

CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in config.c in config.cgi in Icinga before 1.4.1, when escape_html_tags is disabled, allow remote attackers to inject arbitrary web script or HTML via a JavaScript expression, as demonstrated by the onload attribute of a BODY element located after a check-host-alive! sequence, a different vulnerability than CVE-2011-2179.

NVD Source

Technical Analysis

CVE-2011-2477 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.