Home/CVE/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 authenticatio
CVE

CVE-2019-6647

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 authenticatio

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.

MEDIUM · CVSS 5.3 EPSS 0.00461
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
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Affected Products & Versions

48
f5 big-ip local traffic manager>= 11.5.1 and <= 11.6.4
f5 big-ip local traffic manager>= 12.1.0 and <= 12.1.4
f5 big-ip local traffic manager>= 13.0.0 and <= 13.1.1
f5 big-ip local traffic managerall versions
f5 big-ip advanced firewall manager>= 11.5.1 and <= 11.6.4
f5 big-ip advanced firewall manager>= 12.1.0 and <= 12.1.4
f5 big-ip advanced firewall manager>= 13.0.0 and <= 13.1.1
f5 big-ip advanced firewall managerall versions
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Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · f5sirt@f5.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Sep 2019 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.f5.com/csp/article/K87920510Vendor Advisory
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