CVE-2020-27718

Description

When a BIG-IP ASM or Advanced WAF system running version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, or 11.6.1-11.6.5.2 processes requests with JSON payload, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.65%

Vendor Advisory f5.com

Affected: n/a BIG-IP ASM & Advanced WAF

References

Link	Tags
https://support.f5.com/csp/article/K58102101	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-27718?: CVE-2020-27718 has been scored as a high severity vulnerability.
How to fix CVE-2020-27718?: To fix CVE-2020-27718, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-27718 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2020-27718 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-27718?: CVE-2020-27718 affects n/a BIG-IP ASM & Advanced WAF.

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