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CVE-2019-6647

MEDIUM
5.3
CVSS Score
Published: September 4, 2019 at 04:17 PM UTC
Updated: June 17, 2026 at 02:39 AM UTC
14 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%

Description

On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.2, 12.1.0-12.1.4.1, 11.5.2-11.6.4, when processing authentication attempts for control-plane users MCPD leaks a small amount of memory. Under rare conditions attackers with access to the management interface could eventually deplete memory on the system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Big IP Access Policy Manager· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Advanced Firewall Manager· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Analytics· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Application Acceleration Manager· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Application Security Manager· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Domain Name System· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Edge Gateway· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Fraud Protection Service· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Global Traffic Manager· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0
Big IP Link Controller· F5
95%
11.5.1 ≤ v ≤ 11.6.412.1.0 ≤ v ≤ 12.1.413.0.0 ≤ v ≤ 13.1.114.0.014.1.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K87920510

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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