CVE-2021-23034
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 version 16.x before 16.1.0 and 15.1.x before 15.1.3.1, when a DNS profile using a DNS cache resolver is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
En BIG-IP versiones 16.x anteriores a 16.1.0 y versiones 15.1.x anteriores a 15.1.3.1, cuando se configura un perfil DNS usando un DNS caché resolver en un servidor virtual, las peticiones no divulgadas pueden causar la terminación del proceso del Traffic Management Microkernel (TMM). Nota: Las versiones de software que han alcanzado End of Technical Support (EoTS) no son evaluadas
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-06 CVE Reserved
- 2021-09-14 CVE Published
- 2024-08-03 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-668: Exposure of Resource to Wrong Sphere
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://support.f5.com/csp/article/K30523121 | 2021-09-27 |
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 Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Advanced Firewall Manager Search vendor "F5" for product "Big-ip Advanced Firewall Manager" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Advanced Firewall Manager" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Advanced Firewall Manager Search vendor "F5" for product "Big-ip Advanced Firewall Manager" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Advanced Firewall Manager" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Analytics Search vendor "F5" for product "Big-ip Analytics" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Analytics" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Analytics Search vendor "F5" for product "Big-ip Analytics" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Analytics" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Application Acceleration Manager Search vendor "F5" for product "Big-ip Application Acceleration Manager" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Application Acceleration Manager" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Application Acceleration Manager Search vendor "F5" for product "Big-ip Application Acceleration Manager" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Application Acceleration Manager" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Application Security Manager Search vendor "F5" for product "Big-ip Application Security Manager" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Application Security Manager" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Application Security Manager Search vendor "F5" for product "Big-ip Application Security Manager" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Application Security Manager" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Domain Name System Search vendor "F5" for product "Big-ip Domain Name System" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Domain Name System Search vendor "F5" for product "Big-ip Domain Name System" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Domain Name System" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Fraud Protection Service Search vendor "F5" for product "Big-ip Fraud Protection Service" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Fraud Protection Service" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Fraud Protection Service Search vendor "F5" for product "Big-ip Fraud Protection Service" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Fraud Protection Service" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Global Traffic Manager Search vendor "F5" for product "Big-ip Global Traffic Manager" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Global Traffic Manager" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Global Traffic Manager Search vendor "F5" for product "Big-ip Global Traffic Manager" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Global Traffic Manager" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Link Controller Search vendor "F5" for product "Big-ip Link Controller" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Link Controller" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Link Controller Search vendor "F5" for product "Big-ip Link Controller" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Link Controller" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Local Traffic Manager Search vendor "F5" for product "Big-ip Local Traffic Manager" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Local Traffic Manager" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Local Traffic Manager Search vendor "F5" for product "Big-ip Local Traffic Manager" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Local Traffic Manager" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Policy Enforcement Manager Search vendor "F5" for product "Big-ip Policy Enforcement Manager" | >= 15.1.0 < 15.1.3.1 Search vendor "F5" for product "Big-ip Policy Enforcement Manager" and version " >= 15.1.0 < 15.1.3.1" | - |
Affected
| ||||||
| F5 Search vendor "F5" | Big-ip Policy Enforcement Manager Search vendor "F5" for product "Big-ip Policy Enforcement Manager" | >= 16.0.0 < 16.1.0 Search vendor "F5" for product "Big-ip Policy Enforcement Manager" and version " >= 16.0.0 < 16.1.0" | - |
Affected
| ||||||