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CVE-2011-2179· NVD / CVE Program· CNA redhat

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 a

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.

MediumCVSS 4.3 · v2.0—Proof of concept No fix recorded
Published
Jun 14, 2011
Updated
Jun 16, 2026
EPSS
26.0% · 98th percentile
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Report tools

JSON

Action score

25

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
8 / 30 · 26.0%

Affected systems

VendorProduct
icingaicinga
nagiosnagios

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • icinga icingaup to 1.4.0 inclusive
  • icinga icinga0.8.0
  • icinga icinga0.8.1
  • icinga icinga0.8.2
  • icinga icinga0.8.3
  • icinga icinga0.8.4
  • icinga icinga1.0
  • icinga icinga1.0.1
  • icinga icinga1.0.2
  • icinga icinga1.0.3
  • icinga icinga1.2.0
  • icinga icinga1.2.1
  • icinga icinga1.3.0
  • icinga icinga1.3.1
  • nagios nagios3.2.3

Same product

icinga: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-49369Icinga 2 has a TLS Certificate Validation Bypass for JSON-RPC and HTTP API Connections
    40Plan
  • CVE-2025-48057Icinga 2 certificate renewal might incorrectly renew an invalid certificate
    37Monitor
  • CVE-2021-32743Passwords used to access external services inadvertently exposed through API
    36Monitor
  • CVE-2020-29663Icinga 2 v2.8.0 through v2.11.7 and v2.12.2 has an issue where revoked certificates due for renewal will automatically be renewed, ignoring
    36Monitor
  • CVE-2021-32739Results of queries for ApiListener objects include the ticket salt which allows in turn to steal (more privileged) identities
    35Monitor
  • CVE-2024-24820Icinga Director configuration is susceptible to Cross-Site Request Forgery
    33Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2011-06-01

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. First PoC-14 d
  2. Published
  3. TodaySep 30, 2026+5587 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

    If successful

    Confidentiality
    none
    Integrity
    P · data or configuration can be modified
    Availability
    none
    Attack complexity
    M
    Confidentiality impact
    None
    Integrity impact
    P
    Availability impact
    None

    Weakness class (CWE)

    CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

    CVSS vector

    AV:N/AC:M/Au:N/C:N/I:P/A:N

    nvd-primary

    Root cause

    User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

    The bug in code

    The whole CWE-79 class

    A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

    Vulnerable

    ts
    commentEl.innerHTML = comment.body;

    Fixed

    ts
    commentEl.textContent = comment.body;

    Attack context

    MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

    ATT&CK techniques

    —

    Noroxi analysis

    No Noroxi analysis for this record yet

    We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

    We use this product, ask for help

    Change log

    No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

    References

    Vendor advisories and official records. Exploit/PoC links are deliberately left out.

    All records