CVE-2019-6633: F5 BIG-IP vulnerability

CVE-2019-6633: On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, and 11.5.1-11.6.4, when the B...

On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, and 11.5.1-11.6.4, when the BIG-IP system is licensed with Appliance mode, user accounts with Administrator and Resource Administrator roles can bypass Appliance mode restrictions.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 4, 2024, 20:23 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2019-6633 affects F5 BIG-IP systems using Appliance mode. Certain privileged users can bypass restrictions that Appliance mode is meant to enforce. The issue matters most where Appliance mode is used as a compliance, operational control, or separation boundary. Exposure is limited to F5 BIG-IP versions 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, and 11.5.1-11.6.4 licensed with Appliance mode. Treat this as a governance and privileged-access risk. Prioritize environments where Appliance mode is relied on for compliance, tenant separation, or operational lockdown. It is less urgent than unauthenticated remote code execution, but it weakens a deliberate control boundary. Mitigation focus: Check F5 advisory K73522927 for vendor-approved fixes or mitigations.; Inventory BIG-IP systems in the affected version ranges.; Identify systems licensed with Appliance mode enabled..

Prepared: Jun 6, 2026, 20:22 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: Jul 3, 2019, 18:00 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

2Source 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
https://support.f5.com/csp/article/K73522927CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

F5BIG-IPBIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, 11.5.1-11.6.4Listed

Weakness

CWE details

No CWE listed

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