// For flags

CVE-2020-27720

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

En BIG-IP LTM/CGNAT versiones 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3 y 13.1.0-13.1.3.5, cuando se procesa el tráfico NAT66 con Port Block Allocation (PBA) y SP-DAG habilitado, y dag-ipv6-prefix-len configurado con un valor menor que el predeterminado de 128, un patrón de tráfico no revelado puede causar que el Traffic Management Microkernel (TMM) se reinicie

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-10-26 CVE Reserved
  • 2020-12-24 CVE Published
  • 2023-09-09 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
F5
Search vendor "F5"
Big-ip Carrier-grade Nat
Search vendor "F5" for product "Big-ip Carrier-grade Nat"
>= 13.1.0 <= 13.1.3
Search vendor "F5" for product "Big-ip Carrier-grade Nat" and version " >= 13.1.0 <= 13.1.3"
-
Affected
F5
Search vendor "F5"
Big-ip Carrier-grade Nat
Search vendor "F5" for product "Big-ip Carrier-grade Nat"
>= 14.1.0 < 14.1.3.1
Search vendor "F5" for product "Big-ip Carrier-grade Nat" and version " >= 14.1.0 < 14.1.3.1"
-
Affected
F5
Search vendor "F5"
Big-ip Carrier-grade Nat
Search vendor "F5" for product "Big-ip Carrier-grade Nat"
>= 15.1.0 < 15.1.1
Search vendor "F5" for product "Big-ip Carrier-grade Nat" and version " >= 15.1.0 < 15.1.1"
-
Affected
F5
Search vendor "F5"
Big-ip Carrier-grade Nat
Search vendor "F5" for product "Big-ip Carrier-grade Nat"
>= 16.0.0 < 16.0.1
Search vendor "F5" for product "Big-ip Carrier-grade Nat" and version " >= 16.0.0 < 16.0.1"
-
Affected
F5
Search vendor "F5"
Big-ip Local Traffic Manager
Search vendor "F5" for product "Big-ip Local Traffic Manager"
>= 13.1.0 <= 13.1.3
Search vendor "F5" for product "Big-ip Local Traffic Manager" and version " >= 13.1.0 <= 13.1.3"
-
Affected
F5
Search vendor "F5"
Big-ip Local Traffic Manager
Search vendor "F5" for product "Big-ip Local Traffic Manager"
>= 14.1.0 < 14.1.3.1
Search vendor "F5" for product "Big-ip Local Traffic Manager" and version " >= 14.1.0 < 14.1.3.1"
-
Affected
F5
Search vendor "F5"
Big-ip Local Traffic Manager
Search vendor "F5" for product "Big-ip Local Traffic Manager"
>= 15.1.0 < 15.1.1
Search vendor "F5" for product "Big-ip Local Traffic Manager" and version " >= 15.1.0 < 15.1.1"
-
Affected
F5
Search vendor "F5"
Big-ip Local Traffic Manager
Search vendor "F5" for product "Big-ip Local Traffic Manager"
>= 16.0.0 < 16.0.1
Search vendor "F5" for product "Big-ip Local Traffic Manager" and version " >= 16.0.0 < 16.0.1"
-
Affected