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CVE Record

CVE-2020-10820: Nagios XI 5.6.11 allows XSS via the includes/components/ldap_ad_integration/ password parameter.

Nagios XI 5.6.11 allows XSS via the includes/components/ldap_ad_integration/ password parameter.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Nagios XI 5.6.11 has a reported cross-site scripting issue in its LDAP/Active Directory integration area. If an attacker can reach and influence the affected password parameter, malicious script could run in a user’s browser. The public record is sparse, so business urgency depends on whether this version is deployed and who can access the management interface.

Executive priority

Prioritize confirmation of exposure. Escalate if Nagios XI 5.6.11 is internet-facing or broadly accessible, because administrative monitoring systems can hold sensitive operational access.

Technical view

CVE-2020-10820 describes XSS in Nagios XI 5.6.11 via the password parameter under includes/components/ldap_ad_integration/. The provided CVE data does not include CVSS, CWE, authentication requirements, patch version, or confirmed exploitation. Treat this as an input/output handling flaw in a sensitive administrative integration surface.

Likely exposure

Likely limited to organizations running Nagios XI 5.6.11, especially where the Nagios XI web interface is reachable by many users or exposed externally. The source bundle does not establish broader version ranges.

Exploitation context

The CVE is not listed in KEV, and the supplied sources do not claim active exploitation. Public evidence only supports a reported XSS condition, not weaponized attacks or exploitation prevalence.

Researcher notes

The source bundle is thin: one CVE description and one external reference. Missing details include authentication context, exact affected range, exploitability constraints, and fixed release. Avoid assuming impact beyond XSS in Nagios XI 5.6.11.

Mitigation direction

  • Inventory Nagios XI deployments and identify any version 5.6.11 instances.
  • Check Nagios vendor guidance for fixed versions or supported remediation.
  • Restrict Nagios XI web access to trusted administrative networks.
  • Enforce strong authentication for Nagios XI administrator accounts.
  • Review compensating controls for browser-based script execution risks.

Validation and detection

  • Confirm whether Nagios XI 5.6.11 is present in asset records.
  • Verify whether the LDAP/AD integration component is enabled or accessible.
  • Review web access logs for unusual requests to the LDAP/AD integration path.
  • Ask an authorized tester to validate XSS exposure non-destructively in a lab.
  • Document whether remediation guidance exists from Nagios for this CVE.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2020-10820 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.