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CVE-2019-6638

MEDIUMCVSS 6.5/10EPSS 1.99%

Last modified

CVE-2019-6638 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. On BIG-IP 14.1.0-14.1.0.5 and 14.0.0-14.0.0.4, Malformed http requests made to an undisclosed iControl REST endpoint can lead to infinite loop of the restjavad process.. EPSS estimates a 1.99% chance of exploitation in the next 30 days.

Description

On BIG-IP 14.1.0-14.1.0.5 and 14.0.0-14.0.0.4, Malformed http requests made to an undisclosed iControl REST endpoint can lead to infinite loop of the restjavad process.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
1.99%

78.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Local Traffic Manager>= 14.1.0, < 14.1.0.6
F5Big-Ip Application Acceleration Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Application Acceleration Manager>= 14.1.0, < 14.1.0.6
F5Big-Ip Advanced Firewall Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Advanced Firewall Manager>= 14.1.0, < 14.1.0.6
F5Big-Ip Analytics>= 14.0.0, < 14.0.0.5
F5Big-Ip Analytics>= 14.1.0, < 14.1.0.6
F5Big-Ip Access Policy Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Access Policy Manager>= 14.1.0, < 14.1.0.6
F5Big-Ip Application Security Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Application Security Manager>= 14.1.0, < 14.1.0.6
F5Big-Ip Domain Name System>= 14.0.0, < 14.0.0.5
F5Big-Ip Domain Name System>= 14.1.0, < 14.1.0.6
F5Big-Ip Edge Gateway>= 14.0.0, < 14.0.0.5
F5Big-Ip Edge Gateway>= 14.1.0, < 14.1.0.6
F5Big-Ip Global Traffic Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Global Traffic Manager>= 14.1.0, < 14.1.0.6
F5Big-Ip Link Controller>= 14.0.0, < 14.0.0.5
F5Big-Ip Link Controller>= 14.1.0, < 14.1.0.6
F5Big-Ip Policy Enforcement Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Policy Enforcement Manager>= 14.1.0, < 14.1.0.6
F5Big-Ip Webaccelerator>= 14.0.0, < 14.0.0.5
F5Big-Ip Webaccelerator>= 14.1.0, < 14.1.0.6
F5Big-Ip Fraud Protection Service>= 14.0.0, < 14.0.0.5
F5Big-Ip Fraud Protection Service>= 14.1.0, < 14.1.0.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-6638?
On BIG-IP 14.1.0-14.1.0.5 and 14.0.0-14.0.0.4, Malformed http requests made to an undisclosed iControl REST endpoint can lead to infinite loop of the restjavad process.
How severe is CVE-2019-6638?
CVE-2019-6638 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.99% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6638?
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-2019-6638?

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

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Source: NVD / NIST