CVE-2020-27718

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
f5CNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 69%
VendorProductVersion
f5big-ip_advanced_web_application_firewall
11.6.1 ≤
𝑥
≤ 11.6.5
f5big-ip_advanced_web_application_firewall
12.1.0 ≤
𝑥
≤ 12.1.5
f5big-ip_advanced_web_application_firewall
13.1.0 ≤
𝑥
< 13.1.3.5
f5big-ip_advanced_web_application_firewall
14.1.0 ≤
𝑥
< 14.1.3.1
f5big-ip_advanced_web_application_firewall
15.0.0 ≤
𝑥
< 15.1.1
f5big-ip_advanced_web_application_firewall
16.0.0 ≤
𝑥
< 16.0.1
f5big-ip_application_security_manager
11.6.1 ≤
𝑥
≤ 11.6.5
f5big-ip_application_security_manager
12.1.0 ≤
𝑥
≤ 12.1.5
f5big-ip_application_security_manager
13.1.0 ≤
𝑥
< 13.1.3.5
f5big-ip_application_security_manager
14.1.0 ≤
𝑥
< 14.1.3.1
f5big-ip_application_security_manager
15.0.0 ≤
𝑥
< 15.1.1
f5big-ip_application_security_manager
16.0.0 ≤
𝑥
< 16.0.1
𝑥
= Vulnerable software versions