7.5
HIGH
CVE-2021-23011
BIG-IP Traffic Management Microkernel Denial of Service
Description
On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, when the BIG-IP system is buffering packet fragments for reassembly, the Traffic Management Microkernel (TMM) may consume an excessive amount of resources, eventually leading to a restart and failover event. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
INFO
Published Date :
May 10, 2021, 2:15 p.m.
Last Modified :
May 24, 2021, 6:27 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-23011
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-23011.
| URL | Resource |
|---|---|
| https://support.f5.com/csp/article/K10751325 | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-23011 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-23011 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
May. 24, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://support.f5.com/csp/article/K10751325 No Types Assigned https://support.f5.com/csp/article/K10751325 Vendor Advisory Added CWE NIST CWE-400 Added CPE Configuration OR *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_ddos_hybrid_defender:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_policy_enforcement_manager:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1 *cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* versions from (including) 11.6.1 up to (excluding) 11.6.5.3 *cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.6 *cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* versions from (including) 13.1.0 up to (excluding) 13.1.4 *cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* versions from (including) 14.1.0 up to (excluding) 14.1.4 *cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* versions from (including) 15.1.0 up to (excluding) 15.1.3 *cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:* versions from (including) 16.0.0 up to (excluding) 16.0.1.1
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-23011 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-23011
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.01%
score
0.42001
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability