CVE-2018-5517

UnknownEPSS 1.80%

Last modified

CVE-2018-5517 is a vulnerability of currently unknown severity. On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. EPSS estimates a 1.80% chance of exploitation in the next 30 days.

Description

On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.

Metrics

EPSS Probability
1.80%

75.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 13.1.0, <= 13.1.0.5
F5Big-Ip Application Acceleration Manager>= 13.1.0, <= 13.1.0.5
F5Big-Ip Advanced Firewall Manager>= 13.1.0, <= 13.1.0.5
F5Big-Ip Analytics>= 13.1.0, <= 13.1.0.5
F5Big-Ip Access Policy Manager>= 13.1.0, <= 13.1.0.5
F5Big-Ip Application Security Manager>= 13.1.0, <= 13.1.0.5
F5Big-Ip Edge Gateway>= 13.1.0, <= 13.1.0.5
F5Big-Ip Global Traffic Manager>= 13.1.0, <= 13.1.0.5
F5Big-Ip Link Controller>= 13.1.0, <= 13.1.0.5
F5Big-Ip Policy Enforcement Manager>= 13.1.0, <= 13.1.0.5
F5Big-Ip Webaccelerator>= 13.1.0, <= 13.1.0.5
F5Big-Ip Websafe>= 13.1.0, <= 13.1.0.5
F5Big-Ip Domain Name System>= 13.1.0, <= 13.1.0.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-5517?
On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.
How severe is CVE-2018-5517?
Severity scoring for CVE-2018-5517 is pending analysis. The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5517?
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-2018-5517?

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

Scan your code now

Source: NVD / NIST