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[email protected]CVE-2021-23034

HistorySep 14, 2021 - 6:15 p.m.

CVE-2021-23034

2021-09-1418:15:08

CWE-20

CWE-668

[email protected]

web.nvd.nist.gov

big-ip

version 16.x

version 15.1.x

dns profile

dns cache resolver

virtual server

tmm process

cve-2021-23034

security vulnerability

7.1 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

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

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.6%

JSON

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.

Affected configurations

NVD

Node

f5big-ip_access_policy_managerRange15.1.0–15.1.3.1

f5big-ip_access_policy_managerRange16.0.0–16.1.0

f5big-ip_advanced_firewall_managerRange15.1.0–15.1.3.1

f5big-ip_advanced_firewall_managerRange16.0.0–16.1.0

f5big-ip_analyticsRange15.1.0–15.1.3.1

f5big-ip_analyticsRange16.0.0–16.1.0

f5big-ip_application_acceleration_managerRange15.1.0–15.1.3.1

f5big-ip_application_acceleration_managerRange16.0.0–16.1.0

f5big-ip_application_security_managerRange15.1.0–15.1.3.1

f5big-ip_application_security_managerRange16.0.0–16.1.0

f5big-ip_domain_name_systemRange15.1.0–15.1.3.1

f5big-ip_domain_name_systemRange16.0.0–16.1.0

f5big-ip_fraud_protection_serviceRange15.1.0–15.1.3.1

f5big-ip_fraud_protection_serviceRange16.0.0–16.1.0

f5big-ip_global_traffic_managerRange15.1.0–15.1.3.1

f5big-ip_global_traffic_managerRange16.0.0–16.1.0

f5big-ip_link_controllerRange15.1.0–15.1.3.1

f5big-ip_link_controllerRange16.0.0–16.1.0

f5big-ip_local_traffic_managerRange15.1.0–15.1.3.1

f5big-ip_local_traffic_managerRange16.0.0–16.1.0

f5big-ip_policy_enforcement_managerRange15.1.0–15.1.3.1

f5big-ip_policy_enforcement_managerRange16.0.0–16.1.0

CPENameOperatorVersion
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt15.1.3.1
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt16.1.0
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt15.1.3.1
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt16.1.0
f5:big-ip_analyticsf5 big-ip analyticslt15.1.3.1
f5:big-ip_analyticsf5 big-ip analyticslt16.1.0
f5:big-ip_application_acceleration_managerf5 big-ip application acceleration managerlt15.1.3.1
f5:big-ip_application_acceleration_managerf5 big-ip application acceleration managerlt16.1.0
f5:big-ip_application_security_managerf5 big-ip application security managerlt15.1.3.1
f5:big-ip_application_security_managerf5 big-ip application security managerlt16.1.0

CPE	Name	Operator	Version
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	15.1.3.1
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	16.1.0
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	15.1.3.1
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	16.1.0
f5:big-ip_analytics	f5 big-ip analytics	lt	15.1.3.1
f5:big-ip_analytics	f5 big-ip analytics	lt	16.1.0
f5:big-ip_application_acceleration_manager	f5 big-ip application acceleration manager	lt	15.1.3.1
f5:big-ip_application_acceleration_manager	f5 big-ip application acceleration manager	lt	16.1.0
f5:big-ip_application_security_manager	f5 big-ip application security manager	lt	15.1.3.1
f5:big-ip_application_security_manager	f5 big-ip application security manager	lt	16.1.0

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CNA Affected

[
  {
    "product": "BIG-IP",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "16.x before 16.1.0 and 15.1.x before 15.1.3.1"
      }
    ]
  }
]