CVE-2013-6939: n/a vulnerability

CVE-2013-6939: Unspecified vulnerability in Citrix NetScaler Application Delivery Controller (ADC) 9.3.x before 9.3-64.4,...

Unspecified vulnerability in Citrix NetScaler Application Delivery Controller (ADC) 9.3.x before 9.3-64.4, 10.0 before 10.0-77.5, and 10.1 before 10.1-118.7 allows attackers to cause a denial of service via unknown vectors, related to "RADIUS authentication."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 17:53 UTC (UTC+00:00)

Security readout for executives and security teams

This is a Citrix NetScaler ADC denial-of-service issue tied to RADIUS authentication. Public details do not describe the attack vector or severity. The practical business concern is disruption of ADC services if legacy affected builds are still in use, especially where RADIUS authentication is configured. Exposure is most likely in organizations still operating legacy NetScaler ADC 9.3, 10.0, or 10.1 builds with RADIUS authentication enabled. The bundle does not identify other Citrix products, deployment modes, or prerequisites. Prioritize as legacy infrastructure risk. Escalate quickly only if affected NetScaler ADC builds remain in production or support critical authentication paths. Evidence is insufficient to claim active exploitation or critical severity. Mitigation focus: Identify any NetScaler ADC 9.3, 10.0, or 10.1 systems.; Upgrade to 9.3-64.4, 10.0-77.5, 10.1-118.7, or later supported guidance.; Review Citrix advisory CTX139049 for vendor-confirmed remediation details..

Prepared: Jun 14, 2026, 14:32 UTC (UTC+00:00)

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

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 10, 2014, 14:00 UTC (UTC+00:00)

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

1Source links

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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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