CVE-2017-0303

Name: CVE-2017-0303
Creator: NVD / NIST
Published: 2017-10-27T14:29:00.233+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.66%

Last modified Jun 17, 2026

CVE-2017-0303 is a vulnerability of currently unknown severity. In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and Websafe software version 13.0.0, 12.0.0 to 12.1.2 and 11.5.1 to 11.6.1, under limited circumstances connections handled by a Virtual Server with an associated SOCKS profile may not be properly cleaned up, potentially leading to resource starvation. Connections may be left in the connection table which then can only be removed by restarting TMM. EPSS estimates a 2.66% chance of exploitation in the next 30 days.

Description

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and Websafe software version 13.0.0, 12.0.0 to 12.1.2 and 11.5.1 to 11.6.1, under limited circumstances connections handled by a Virtual Server with an associated SOCKS profile may not be properly cleaned up, potentially leading to resource starvation. Connections may be left in the connection table which then can only be removed by restarting TMM. Over time this may lead to the BIG-IP being unable to process further connections.

Metrics

EPSS Probability

2.66%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-459

Affected Software

Vendor	Product	Versions
F5	Big-Ip Local Traffic Manager	11.5.0
F5	Big-Ip Local Traffic Manager	11.5.1
F5	Big-Ip Local Traffic Manager	11.5.2
F5	Big-Ip Local Traffic Manager	11.5.3
F5	Big-Ip Local Traffic Manager	11.5.4
F5	Big-Ip Local Traffic Manager	11.5.5
F5	Big-Ip Local Traffic Manager	11.6.0
F5	Big-Ip Local Traffic Manager	11.6.1
F5	Big-Ip Local Traffic Manager	12.0.0
F5	Big-Ip Local Traffic Manager	12.1.0
F5	Big-Ip Local Traffic Manager	12.1.1
F5	Big-Ip Local Traffic Manager	12.1.2
F5	Big-Ip Local Traffic Manager	13.0.0
F5	Big-Ip Application Acceleration Manager	11.5.0
F5	Big-Ip Application Acceleration Manager	11.5.1
F5	Big-Ip Application Acceleration Manager	11.5.2
F5	Big-Ip Application Acceleration Manager	11.5.3
F5	Big-Ip Application Acceleration Manager	11.5.4
F5	Big-Ip Application Acceleration Manager	11.5.5
F5	Big-Ip Application Acceleration Manager	11.6.0
F5	Big-Ip Application Acceleration Manager	11.6.1
F5	Big-Ip Application Acceleration Manager	12.0.0
F5	Big-Ip Application Acceleration Manager	12.1.0
F5	Big-Ip Application Acceleration Manager	12.1.1
F5	Big-Ip Application Acceleration Manager	12.1.2
F5	Big-Ip Application Acceleration Manager	13.0.0
F5	Big-Ip Advanced Firewall Manager	11.5.0
F5	Big-Ip Advanced Firewall Manager	11.5.1
F5	Big-Ip Advanced Firewall Manager	11.5.2
F5	Big-Ip Advanced Firewall Manager	11.5.3
F5	Big-Ip Advanced Firewall Manager	11.5.4
F5	Big-Ip Advanced Firewall Manager	11.5.5
F5	Big-Ip Advanced Firewall Manager	11.6.0
F5	Big-Ip Advanced Firewall Manager	11.6.1
F5	Big-Ip Advanced Firewall Manager	12.0.0
F5	Big-Ip Advanced Firewall Manager	12.1.0
F5	Big-Ip Advanced Firewall Manager	12.1.1
F5	Big-Ip Advanced Firewall Manager	12.1.2
F5	Big-Ip Advanced Firewall Manager	13.0.0
F5	Big-Ip Access Policy Manager	11.5.0
F5	Big-Ip Access Policy Manager	11.5.1
F5	Big-Ip Access Policy Manager	11.5.2
F5	Big-Ip Access Policy Manager	11.5.3
F5	Big-Ip Access Policy Manager	11.5.4
F5	Big-Ip Access Policy Manager	11.5.5
F5	Big-Ip Access Policy Manager	11.6.0
F5	Big-Ip Access Policy Manager	11.6.1
F5	Big-Ip Access Policy Manager	12.0.0
F5	Big-Ip Access Policy Manager	12.1.0
F5	Big-Ip Access Policy Manager	12.1.1

Showing 50 of 92 affected configurations. See NVD for the full list.

References

http://www.securityfocus.com/bid/101612Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039674Third Party Advisory, VDB Entry
https://support.f5.com/csp/article/K30201296Vendor Advisory
http://www.securityfocus.com/bid/101612Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039674Third Party Advisory, VDB Entry
https://support.f5.com/csp/article/K30201296Vendor Advisory

Timeline

Published: Oct 27, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-0303?

How severe is CVE-2017-0303?

Severity scoring for CVE-2017-0303 is pending analysis. The EPSS model estimates a 2.66% probability of exploitation in the next 30 days.

How do I fix CVE-2017-0303?

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-2017-0303?

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

Scan your code now

Source: NVD / NIST