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CVE-2019-6647

MEDIUMCVSS 5.3/10EPSS 1.36%

Last modified

CVE-2019-6647 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability
1.36%

68.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 11.5.1, <= 11.6.4
F5Big-Ip Local Traffic Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Local Traffic Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Local Traffic Manager14.0.0
F5Big-Ip Local Traffic Manager14.1.0
F5Big-Ip Advanced Firewall Manager>= 11.5.1, <= 11.6.4
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Advanced Firewall Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Advanced Firewall Manager14.0.0
F5Big-Ip Advanced Firewall Manager14.1.0
F5Big-Ip Application Acceleration Manager>= 11.5.1, <= 11.6.4
F5Big-Ip Application Acceleration Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Application Acceleration Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Application Acceleration Manager14.0.0
F5Big-Ip Application Acceleration Manager14.1.0
F5Big-Ip Analytics>= 11.5.1, <= 11.6.4
F5Big-Ip Analytics>= 12.1.0, <= 12.1.4
F5Big-Ip Analytics>= 13.0.0, <= 13.1.1
F5Big-Ip Analytics14.0.0
F5Big-Ip Analytics14.1.0
F5Big-Ip Access Policy Manager>= 11.5.1, <= 11.6.4
F5Big-Ip Access Policy Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Access Policy Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Access Policy Manager14.0.0
F5Big-Ip Access Policy Manager14.1.0
F5Big-Ip Application Security Manager>= 11.5.1, <= 11.6.4
F5Big-Ip Application Security Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Application Security Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Application Security Manager14.0.0
F5Big-Ip Application Security Manager14.1.0
F5Big-Ip Edge Gateway>= 11.5.1, <= 11.6.4
F5Big-Ip Edge Gateway>= 12.1.0, <= 12.1.4
F5Big-Ip Edge Gateway>= 13.0.0, <= 13.1.1
F5Big-Ip Edge Gateway14.0.0
F5Big-Ip Edge Gateway14.1.0
F5Big-Ip Fraud Protection Service>= 11.5.1, <= 11.6.4
F5Big-Ip Fraud Protection Service>= 12.1.0, <= 12.1.4
F5Big-Ip Fraud Protection Service>= 13.0.0, <= 13.1.1
F5Big-Ip Fraud Protection Service14.0.0
F5Big-Ip Fraud Protection Service14.1.0
F5Big-Ip Global Traffic Manager>= 11.5.1, <= 11.6.4
F5Big-Ip Global Traffic Manager>= 12.1.0, <= 12.1.4
F5Big-Ip Global Traffic Manager>= 13.0.0, <= 13.1.1
F5Big-Ip Global Traffic Manager14.0.0
F5Big-Ip Global Traffic Manager14.1.0
F5Big-Ip Link Controller>= 11.5.1, <= 11.6.4
F5Big-Ip Link Controller>= 12.1.0, <= 12.1.4
F5Big-Ip Link Controller>= 13.0.0, <= 13.1.1
F5Big-Ip Link Controller14.0.0
F5Big-Ip Link Controller14.1.0

Showing 50 of 65 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 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.
How severe is CVE-2019-6647?
CVE-2019-6647 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6647?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-6647?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST