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[email protected]CVE-2021-23011

HistoryMay 10, 2021 - 2:15 p.m.

CVE-2021-23011

2021-05-1014:15:00

CWE-400

[email protected]

web.nvd.nist.gov

cve-2021-23011

big-ip

tmm

resource consumption

security

vulnerability

nvd

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.6 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

41.6%

JSON

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.

CPENameOperatorVersion
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt16.0.1.1
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt16.0.1.1
f5:big-ip_application_acceleration_managerf5 big-ip application acceleration managerlt16.0.1.1
f5:big-ip_analyticsf5 big-ip analyticslt16.0.1.1
f5:big-ip_application_security_managerf5 big-ip application security managerlt16.0.1.1
f5:big-ip_domain_name_systemf5 big-ip domain name systemlt16.0.1.1
f5:big-ip_global_traffic_managerf5 big-ip global traffic managerlt16.0.1.1
f5:big-ip_fraud_protection_servicef5 big-ip fraud protection servicelt16.0.1.1
f5:big-ip_link_controllerf5 big-ip link controllerlt16.0.1.1
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerlt16.0.1.1

CPE	Name	Operator	Version
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	16.0.1.1
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	16.0.1.1
f5:big-ip_application_acceleration_manager	f5 big-ip application acceleration manager	lt	16.0.1.1
f5:big-ip_analytics	f5 big-ip analytics	lt	16.0.1.1
f5:big-ip_application_security_manager	f5 big-ip application security manager	lt	16.0.1.1
f5:big-ip_domain_name_system	f5 big-ip domain name system	lt	16.0.1.1
f5:big-ip_global_traffic_manager	f5 big-ip global traffic manager	lt	16.0.1.1
f5:big-ip_fraud_protection_service	f5 big-ip fraud protection service	lt	16.0.1.1
f5:big-ip_link_controller	f5 big-ip link controller	lt	16.0.1.1
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	lt	16.0.1.1

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References

support.f5.com/csp/article/K10751325

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.6 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

41.6%

JSON

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