Security readout for executives and security teams
Plain-English summary
This is an old Icinga web interface XSS issue. If an organization still runs Icinga before 1.4.1 with HTML tag escaping disabled, an attacker could make the monitoring UI render attacker-controlled script or HTML. The business risk is mainly account compromise or misleading monitoring views through browser-side execution.
Executive priority
Treat as a legacy exposure cleanup item unless vulnerable Icinga systems are internet-facing or broadly accessible internally. Prioritize confirmation and upgrade for monitoring servers because compromise of monitoring views can affect operational trust.
Technical view
CVE-2011-2477 affects config.c in config.cgi in Icinga before 1.4.1 when escape_html_tags is disabled. The flaw allows remote injection of arbitrary web script or HTML via JavaScript expressions in crafted configuration-related content. It is documented as distinct from CVE-2011-2179.
Likely exposure
Exposure is most likely in legacy Icinga deployments older than 1.4.1 where config.cgi is reachable and escape_html_tags is disabled. The source bundle does not provide structured CPEs or affected platform details.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation would depend on a reachable vulnerable Icinga CGI interface and the unsafe escaping configuration being present.
Researcher notes
Public evidence in the bundle is limited. The CVE description names Icinga before 1.4.1 and the escape_html_tags-disabled condition, but no CVSS, CWE, CPE, or active exploitation data is supplied.
Mitigation direction
- Upgrade Icinga to 1.4.1 or later where feasible.
- Ensure escape_html_tags is enabled in vulnerable deployments.
- Limit access to Icinga CGI interfaces to trusted users and networks.
- Review vendor issue 1605 and IBM X-Force guidance for deployment-specific details.
Validation and detection
- Inventory Icinga instances and confirm their exact versions.
- Check whether config.cgi is enabled and reachable.
- Verify the escape_html_tags setting on legacy installations.
- Review web logs for unusual config.cgi requests or suspicious script-like input.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2011-2477 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://dev.icinga.org/issues/1605CVE reference · x_refsource_CONFIRM
- icinga-config-xss(68056)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.