HOMEVULNERABILITIESCVE-2011-2179
MEDIUMPOC

CVE-2011-2179

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

4.3
CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in config.c in config.cgi in (1) Nagios 3.2.3 and (2) Icinga before 1.4.1 allow remote attackers to inject arbitrary web script or HTML via the expand parameter, as demonstrated by an (a) command action or a (b) hosts action.

NVD Source

Technical Analysis

CVE-2011-2179 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.

A proof-of-concept (PoC) exploit exists for CVE-2011-2179. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

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.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityNone
AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected Vendors & Products

icinga1 product(s)
icinga
nagios1 product(s)
nagios
Source: NVD CPE · 15 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (28)

Quick Facts

CVE IDCVE-2011-2179
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-79
CISA KEVNo
ExploitPOC
Affected2 vendor(s)
PublishedJun 14, 2011

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2011-2179 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.