Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-27720

On BIG-IP LTM/CGNAT version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when processing NAT66 traffic with Port Block Allocation (PBA) mode and SP-DAG enabled, and dag-ipv6-prefix-len configured with a value less than the default of 128, an undisclosed traffic pattern may cause the Traffic Management Microkernel (TMM) to restart.

Published

2020-12-24T16:15:15.087

Last Modified

2024-11-21T05:21:41.590

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application f5 big-ip_carrier-grade_nat ≤ 13.1.3 Yes
Application f5 big-ip_carrier-grade_nat < 14.1.3.1 Yes
Application f5 big-ip_carrier-grade_nat < 15.1.1 Yes
Application f5 big-ip_carrier-grade_nat < 16.0.1 Yes
Application f5 big-ip_local_traffic_manager ≤ 13.1.3 Yes
Application f5 big-ip_local_traffic_manager < 14.1.3.1 Yes
Application f5 big-ip_local_traffic_manager < 15.1.1 Yes
Application f5 big-ip_local_traffic_manager < 16.0.1 Yes
References