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[email protected]CVE-2021-23042

HistorySep 14, 2021 - 3:15 p.m.

CVE-2021-23042

2021-09-1415:15:07

CWE-400

[email protected]

web.nvd.nist.gov

big-ip

cve-2021-23042

http profile

system resource utilization

virtual server

security vulnerability

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

0.001 Low

EPSS

Percentile

42.7%

JSON

On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, and 12.1.x before 12.1.6, when an HTTP profile is configured on a virtual server, undisclosed requests can cause a significant increase in system resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected configurations

NVD

Node

f5big-ip_access_policy_managerRange12.1.0–12.1.6

f5big-ip_access_policy_managerRange13.1.0–13.1.4

f5big-ip_access_policy_managerRange14.1.0–14.1.4

f5big-ip_access_policy_managerRange15.1.0–15.1.3

f5big-ip_access_policy_managerRange16.0.0–16.0.1.2

f5big-ip_advanced_firewall_managerRange12.1.0–12.1.6

f5big-ip_advanced_firewall_managerRange13.1.0–13.1.4

f5big-ip_advanced_firewall_managerRange14.1.0–14.1.4

f5big-ip_advanced_firewall_managerRange15.1.0–15.1.3

f5big-ip_advanced_firewall_managerRange16.0.0–16.0.1.2

f5big-ip_advanced_web_application_firewallRange12.1.0–12.1.6

f5big-ip_advanced_web_application_firewallRange13.1.0–13.1.4

f5big-ip_advanced_web_application_firewallRange14.1.0–14.1.4

f5big-ip_advanced_web_application_firewallRange15.1.0–15.1.3

f5big-ip_advanced_web_application_firewallRange16.0.0–16.0.1.2

f5big-ip_analyticsRange12.1.0–12.1.6

f5big-ip_analyticsRange13.1.0–13.1.4

f5big-ip_analyticsRange14.1.0–14.1.4

f5big-ip_analyticsRange15.1.0–15.1.3

f5big-ip_analyticsRange16.0.0–16.0.1.2

f5big-ip_application_acceleration_managerRange12.1.0–12.1.6

f5big-ip_application_acceleration_managerRange13.1.0–13.1.4

f5big-ip_application_acceleration_managerRange14.1.0–14.1.4

f5big-ip_application_acceleration_managerRange15.1.0–15.1.3

f5big-ip_application_acceleration_managerRange16.0.0–16.0.1.2

f5big-ip_application_security_managerRange12.1.0–12.1.6

f5big-ip_application_security_managerRange13.1.0–13.1.4

f5big-ip_application_security_managerRange14.1.0–14.1.4

f5big-ip_application_security_managerRange15.1.0–15.1.3

f5big-ip_application_security_managerRange16.0.0–16.0.1.2

f5big-ip_ddos_hybrid_defenderRange12.1.0–12.1.6

f5big-ip_ddos_hybrid_defenderRange13.1.0–13.1.4

f5big-ip_ddos_hybrid_defenderRange14.1.0–14.1.4

f5big-ip_ddos_hybrid_defenderRange15.1.0–15.1.3

f5big-ip_ddos_hybrid_defenderRange16.0.0–16.0.1.2

f5big-ip_domain_name_systemRange12.1.0–12.1.6

f5big-ip_domain_name_systemRange13.1.0–13.1.4

f5big-ip_domain_name_systemRange14.1.0–14.1.4

f5big-ip_domain_name_systemRange15.1.0–15.1.3

f5big-ip_domain_name_systemRange16.0.0–16.0.1.2

f5big-ip_fraud_protection_serviceRange12.1.0–12.1.6

f5big-ip_fraud_protection_serviceRange13.1.0–13.1.4

f5big-ip_fraud_protection_serviceRange14.1.0–14.1.4

f5big-ip_fraud_protection_serviceRange15.1.0–15.1.3

f5big-ip_fraud_protection_serviceRange16.0.0–16.0.1.2

f5big-ip_global_traffic_managerRange12.1.0–12.1.6

f5big-ip_global_traffic_managerRange13.1.0–13.1.4

f5big-ip_global_traffic_managerRange14.1.0–14.1.4

f5big-ip_global_traffic_managerRange15.1.0–15.1.3

f5big-ip_global_traffic_managerRange16.0.0–16.0.1.2

f5big-ip_link_controllerRange12.1.0–12.1.6

f5big-ip_link_controllerRange13.1.0–13.1.4

f5big-ip_link_controllerRange14.1.0–14.1.4

f5big-ip_link_controllerRange15.1.0–15.1.3

f5big-ip_link_controllerRange16.0.0–16.0.1.2

f5big-ip_local_traffic_managerRange12.1.0–12.1.6

f5big-ip_local_traffic_managerRange13.1.0–13.1.4

f5big-ip_local_traffic_managerRange14.1.0–14.1.4

f5big-ip_local_traffic_managerRange15.1.0–15.1.3

f5big-ip_local_traffic_managerRange16.0.0–16.0.1.2

f5big-ip_policy_enforcement_managerRange12.1.0–12.1.6

f5big-ip_policy_enforcement_managerRange13.1.0–13.1.4

f5big-ip_policy_enforcement_managerRange14.1.0–14.1.4

f5big-ip_policy_enforcement_managerRange15.1.0–15.1.3

f5big-ip_policy_enforcement_managerRange16.0.0–16.0.1.2

f5big-ip_ssl_orchestratorRange12.1.0–12.1.6

f5big-ip_ssl_orchestratorRange13.1.0–13.1.4

f5big-ip_ssl_orchestratorRange14.1.0–14.1.4

f5big-ip_ssl_orchestratorRange15.1.0–15.1.3

f5big-ip_ssl_orchestratorRange16.0.0–16.0.1.2

CPENameOperatorVersion
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt12.1.6
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt13.1.4
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt14.1.4
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt15.1.3
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt16.0.1.2
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt12.1.6
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt13.1.4
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt14.1.4
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt15.1.3
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt16.0.1.2

CPE	Name	Operator	Version
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	12.1.6
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	13.1.4
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	14.1.4
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	15.1.3
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	16.0.1.2
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	12.1.6
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	13.1.4
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	14.1.4
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	15.1.3
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	16.0.1.2

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CNA Affected

[
  {
    "product": "BIG-IP",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, and 12.1.x before 12.1.6"
      }
    ]
  }
]

References

support.f5.com/csp/article/K93231374

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

0.001 Low

EPSS

Percentile

42.7%

JSON

Related for CVE-2021-23042

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