Vulnerability Monitor

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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.

Published

2020-12-24T15:15:12.593

Last Modified

2024-11-21T05:21:41.357

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application f5 big-ip_advanced_web_application_firewall ≤ 11.6.5 Yes
Application f5 big-ip_advanced_web_application_firewall ≤ 12.1.5 Yes
Application f5 big-ip_advanced_web_application_firewall < 13.1.3.5 Yes
Application f5 big-ip_advanced_web_application_firewall < 14.1.3.1 Yes
Application f5 big-ip_advanced_web_application_firewall < 15.1.1 Yes
Application f5 big-ip_advanced_web_application_firewall < 16.0.1 Yes
Application f5 big-ip_application_security_manager ≤ 11.6.5 Yes
Application f5 big-ip_application_security_manager ≤ 12.1.5 Yes
Application f5 big-ip_application_security_manager < 13.1.3.5 Yes
Application f5 big-ip_application_security_manager < 14.1.3.1 Yes
Application f5 big-ip_application_security_manager < 15.1.1 Yes
Application f5 big-ip_application_security_manager < 16.0.1 Yes
References