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CVE-2015-8240

UnknownEPSS 1.76%

Last modified

CVE-2015-8240 is a vulnerability of currently unknown severity. The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and BIG-IP PEM before 11.4.1 HF10, 11.5.x before 11.5.4, and 11.6.x before 11.6.0 HF6 and BIG-IP PSM before 11.4.1 HF10 does not properly handle TCP options, which allows remote attackers to cause a denial of service via unspecified vectors, related to the tm.minpathmtu database variable.. EPSS estimates a 1.76% chance of exploitation in the next 30 days.

Description

The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and BIG-IP PEM before 11.4.1 HF10, 11.5.x before 11.5.4, and 11.6.x before 11.6.0 HF6 and BIG-IP PSM before 11.4.1 HF10 does not properly handle TCP options, which allows remote attackers to cause a denial of service via unspecified vectors, related to the tm.minpathmtu database variable.

Metrics

EPSS Probability
1.76%

75.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager11.4.1
F5Big-Ip Access Policy Manager11.5.3
F5Big-Ip Access Policy Manager11.6.0
F5Big-Ip Advanced Firewall Manager11.4.1
F5Big-Ip Advanced Firewall Manager11.5.3
F5Big-Ip Advanced Firewall Manager11.6.0
F5Big-Ip Analytics11.4.1
F5Big-Ip Analytics11.5.3
F5Big-Ip Analytics11.6.0
F5Big-Ip Application Acceleration Manager11.4.1
F5Big-Ip Application Acceleration Manager11.5.3
F5Big-Ip Application Acceleration Manager11.6.0
F5Big-Ip Application Security Manager11.4.1
F5Big-Ip Application Security Manager11.5.3
F5Big-Ip Application Security Manager11.6.0
F5Big-Ip Global Traffic Manager11.4.1
F5Big-Ip Global Traffic Manager11.5.3
F5Big-Ip Global Traffic Manager11.6.0
F5Big-Ip Link Controller11.4.1
F5Big-Ip Link Controller11.5.3
F5Big-Ip Link Controller11.6.0
F5Big-Ip Local Traffic Manager11.4.1
F5Big-Ip Local Traffic Manager11.5.3
F5Big-Ip Local Traffic Manager11.6.0
F5Big-Ip Policy Enforcement Manager11.4.1
F5Big-Ip Policy Enforcement Manager11.5.3
F5Big-Ip Policy Enforcement Manager11.6.0
F5Big-Ip Protocol Security Module11.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-8240?
The Traffic Management Microkernel (TMM) in F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, GTM, Link Controller, and BIG-IP PEM before 11.4.1 HF10, 11.5.x before 11.5.4, and 11.6.x before 11.6.0 HF6 and BIG-IP PSM before 11.4.1 HF10 does not properly handle TCP options, which allows remote attackers to cause a denial of service via unspecified vectors, related to the tm.minpathmtu database variable.
How severe is CVE-2015-8240?
Severity scoring for CVE-2015-8240 is pending analysis. The EPSS model estimates a 1.76% probability of exploitation in the next 30 days.
How do I fix CVE-2015-8240?
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.

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Source: NVD / NIST