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f5F5F5:K000139898
HistoryJun 05, 2024 - 12:00 a.m.

K000139898: PyYAML vulnerabilities CVE-2020-1747 and CVE-2020-14343

2024-06-0500:00:00
my.f5.com
9
pyyaml
vulnerability
arbitrary code execution

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

0.006 Low

EPSS

Percentile

77.9%

Security Advisory Description

A vulnerability was discovered in the PyYAML library in versions before 5.3.1, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. An attacker could use this flaw to execute arbitrary code on the system by abusing the python/object/new constructor.

A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747.

Impact

There is no impact; F5 products are not affected by this vulnerability.

Affected configurations

Vulners
Node
f5big-ip_nextMatch20.1.0
OR
f5big-ip_nextMatch20.1.1
OR
f5big-ip_nextMatch20.2.0
OR
f5big-ip_nextMatch1.1.0
OR
f5big-ip_nextMatch1.1.1
OR
f5big-ip_nextMatch1.2.0
OR
f5big-ip_nextMatch1.2.1
OR
f5big-ip_nextMatch1.3.0
OR
f5big-ip_nextMatch1.1.0
OR
f5big-ip_nextMatch1.1.1
OR
f5big-ip_nextMatch1.2.0
OR
f5big-ip_nextMatch1.2.1
OR
f5big-ip_nextMatch1.3.0
OR
f5big-ip_nextMatch1.1.0
OR
f5big-ip_nextMatch1.1.1
OR
f5big-ip_nextMatch1.2.0
OR
f5big-ip_nextMatch1.2.1
OR
f5big-ip_nextMatch1.3.0
OR
f5big-ip_ltmMatch20.1.0
OR
f5big-ip_ltmMatch20.2.0
OR
f5big-ip_nextMatch1.5.0
OR
f5big-ip_nextMatch1.6.0
OR
f5big-ip_nextMatch1.7.0
OR
f5big-ip_nextMatch1.7.1
OR
f5big-ip_nextMatch1.7.2
OR
f5big-ip_nextMatch1.7.3
OR
f5big-ip_nextMatch1.7.4
OR
f5big-ip_nextMatch1.7.5
OR
f5big-ip_nextMatch1.7.6
OR
f5big-ip_nextMatch1.7.7
OR
f5big-ip_nextMatch1.7.8
OR
f5big-ip_nextMatch1.8.0
OR
f5big-ip_nextMatch1.8.2
OR
f5big-ip_nextMatch1.9.0
OR
f5big-ip_nextMatch1.9.1
OR
f5big-ip_nextMatch20.1.0
OR
f5big-ip_nextMatch20.2.0
OR
f5big-ipMatch15.1.0
OR
f5big-ipMatch15.1.1
OR
f5big-ipMatch15.1.10
OR
f5big-ipMatch15.1.2
OR
f5big-ipMatch15.1.3
OR
f5big-ipMatch15.1.4
OR
f5big-ipMatch15.1.5
OR
f5big-ipMatch15.1.6
OR
f5big-ipMatch15.1.7
OR
f5big-ipMatch15.1.8
OR
f5big-ipMatch15.1.9
OR
f5big-ip_afmMatch15.1.0
OR
f5big-ip_afmMatch15.1.1
OR
f5big-ip_afmMatch15.1.10
OR
f5big-ip_afmMatch15.1.2
OR
f5big-ip_afmMatch15.1.3
OR
f5big-ip_afmMatch15.1.4
OR
f5big-ip_afmMatch15.1.5
OR
f5big-ip_afmMatch15.1.6
OR
f5big-ip_afmMatch15.1.7
OR
f5big-ip_afmMatch15.1.8
OR
f5big-ip_afmMatch15.1.9
OR
f5big-ip_afmMatch16.1.0
OR
f5big-ip_afmMatch16.1.1
OR
f5big-ip_afmMatch16.1.2
OR
f5big-ip_afmMatch16.1.3
OR
f5big-ip_afmMatch16.1.4
OR
f5big-ip_afmMatch17.1.0
OR
f5big-ip_afmMatch17.1.1
OR
f5big-ip_analyticsMatch15.1.0
OR
f5big-ip_analyticsMatch15.1.1
OR
f5big-ip_analyticsMatch15.1.10
OR
f5big-ip_analyticsMatch15.1.2
OR
f5big-ip_analyticsMatch15.1.3
OR
f5big-ip_analyticsMatch15.1.4
OR
f5big-ip_analyticsMatch15.1.5
OR
f5big-ip_analyticsMatch15.1.6
OR
f5big-ip_analyticsMatch15.1.7
OR
f5big-ip_analyticsMatch15.1.8
OR
f5big-ip_analyticsMatch15.1.9
OR
f5big-ip_analyticsMatch16.1.0
OR
f5big-ip_analyticsMatch16.1.1
OR
f5big-ip_analyticsMatch16.1.2
OR
f5big-ip_analyticsMatch16.1.3
OR
f5big-ip_analyticsMatch16.1.4
OR
f5big-ip_analyticsMatch17.1.0
OR
f5big-ip_analyticsMatch17.1.1
OR
f5big-ip_apmMatch15.1.0
OR
f5big-ip_apmMatch15.1.1
OR
f5big-ip_apmMatch15.1.10
OR
f5big-ip_apmMatch15.1.2
OR
f5big-ip_apmMatch15.1.3
OR
f5big-ip_apmMatch15.1.4
OR
f5big-ip_apmMatch15.1.5
OR
f5big-ip_apmMatch15.1.6
OR
f5big-ip_apmMatch15.1.7
OR
f5big-ip_apmMatch15.1.8
OR
f5big-ip_apmMatch15.1.9
OR
f5big-ip_apmMatch16.1.0
OR
f5big-ip_apmMatch16.1.1
OR
f5big-ip_apmMatch16.1.2
OR
f5big-ip_apmMatch16.1.3
OR
f5big-ip_apmMatch16.1.4
OR
f5big-ip_apmMatch17.1.0
OR
f5big-ip_apmMatch17.1.1
OR
f5big-ip_asmMatch15.1.0
OR
f5big-ip_asmMatch15.1.1
OR
f5big-ip_asmMatch15.1.10
OR
f5big-ip_asmMatch15.1.2
OR
f5big-ip_asmMatch15.1.3
OR
f5big-ip_asmMatch15.1.4
OR
f5big-ip_asmMatch15.1.5
OR
f5big-ip_asmMatch15.1.6
OR
f5big-ip_asmMatch15.1.7
OR
f5big-ip_asmMatch15.1.8
OR
f5big-ip_asmMatch15.1.9
OR
f5big-ip_asmMatch16.1.0
OR
f5big-ip_asmMatch16.1.1
OR
f5big-ip_asmMatch16.1.2
OR
f5big-ip_asmMatch16.1.3
OR
f5big-ip_asmMatch16.1.4
OR
f5big-ip_asmMatch17.1.0
OR
f5big-ip_asmMatch17.1.1
OR
f5big-ip_dnsMatch15.1.0
OR
f5big-ip_dnsMatch15.1.1
OR
f5big-ip_dnsMatch15.1.10
OR
f5big-ip_dnsMatch15.1.2
OR
f5big-ip_dnsMatch15.1.3
OR
f5big-ip_dnsMatch15.1.4
OR
f5big-ip_dnsMatch15.1.5
OR
f5big-ip_dnsMatch15.1.6
OR
f5big-ip_dnsMatch15.1.7
OR
f5big-ip_dnsMatch15.1.8
OR
f5big-ip_dnsMatch15.1.9
OR
f5big-ip_dnsMatch16.1.0
OR
f5big-ip_dnsMatch16.1.1
OR
f5big-ip_dnsMatch16.1.2
OR
f5big-ip_dnsMatch16.1.3
OR
f5big-ip_dnsMatch16.1.4
OR
f5big-ip_dnsMatch17.1.0
OR
f5big-ip_dnsMatch17.1.1
OR
f5big-ipMatch15.1.0
OR
f5big-ipMatch15.1.1
OR
f5big-ipMatch15.1.10
OR
f5big-ipMatch15.1.2
OR
f5big-ipMatch15.1.3
OR
f5big-ipMatch15.1.4
OR
f5big-ipMatch15.1.5
OR
f5big-ipMatch15.1.6
OR
f5big-ipMatch15.1.7
OR
f5big-ipMatch15.1.8
OR
f5big-ipMatch15.1.9
OR
f5big-ipMatch16.1.0
OR
f5big-ipMatch16.1.1
OR
f5big-ipMatch16.1.2
OR
f5big-ipMatch16.1.3
OR
f5big-ipMatch16.1.4
OR
f5big-ipMatch17.1.0
OR
f5big-ipMatch17.1.1
OR
f5big-ip_link_controllerMatch15.1.10
OR
f5big-ip_link_controllerMatch15.1.7
OR
f5big-ip_link_controllerMatch15.1.8
OR
f5big-ip_link_controllerMatch15.1.9
OR
f5big-ip_link_controllerMatch16.1.0
OR
f5big-ip_link_controllerMatch16.1.1
OR
f5big-ip_link_controllerMatch16.1.2
OR
f5big-ip_link_controllerMatch16.1.3
OR
f5big-ip_link_controllerMatch16.1.4
OR
f5big-ip_link_controllerMatch17.1.0
OR
f5big-ip_link_controllerMatch17.1.1
OR
f5big-ip_ltmMatch15.1.0
OR
f5big-ip_ltmMatch15.1.1
OR
f5big-ip_ltmMatch15.1.10
OR
f5big-ip_ltmMatch15.1.2
OR
f5big-ip_ltmMatch15.1.3
OR
f5big-ip_ltmMatch15.1.4
OR
f5big-ip_ltmMatch15.1.5
OR
f5big-ip_ltmMatch15.1.6
OR
f5big-ip_ltmMatch15.1.7
OR
f5big-ip_ltmMatch15.1.8
OR
f5big-ip_ltmMatch15.1.9
OR
f5big-ip_ltmMatch16.1.0
OR
f5big-ip_ltmMatch16.1.1
OR
f5big-ip_ltmMatch16.1.2
OR
f5big-ip_ltmMatch16.1.3
OR
f5big-ip_ltmMatch16.1.4
OR
f5big-ip_ltmMatch17.1.0
OR
f5big-ip_ltmMatch17.1.1
OR
f5big-ip_pemMatch15.1.0
OR
f5big-ip_pemMatch15.1.1
OR
f5big-ip_pemMatch15.1.10
OR
f5big-ip_pemMatch15.1.2
OR
f5big-ip_pemMatch15.1.3
OR
f5big-ip_pemMatch15.1.4
OR
f5big-ip_pemMatch15.1.5
OR
f5big-ip_pemMatch15.1.6
OR
f5big-ip_pemMatch15.1.7
OR
f5big-ip_pemMatch15.1.8
OR
f5big-ip_pemMatch15.1.9
OR
f5big-ip_pemMatch16.1.0
OR
f5big-ip_pemMatch16.1.1
OR
f5big-ip_pemMatch16.1.2
OR
f5big-ip_pemMatch16.1.3
OR
f5big-ip_pemMatch16.1.4
OR
f5big-ip_pemMatch17.1.0
OR
f5big-ip_pemMatch17.1.1
OR
f5nginx_agentMatch2.17.0
OR
f5nginx_agentMatch2.18.0
OR
f5nginx_agentMatch2.19.0
OR
f5nginx_agentMatch2.20.0
OR
f5nginx_agentMatch2.20.1
OR
f5nginx_agentMatch2.22.0
OR
f5nginx_agentMatch2.22.1
OR
f5nginx_agentMatch2.23.0
OR
f5nginx_agentMatch2.23.1
OR
f5nginx_agentMatch2.23.2
OR
f5nginx_agentMatch2.23.3
OR
f5nginx_agentMatch2.24.0
OR
f5nginx_agentMatch2.24.1
OR
f5nginx_agentMatch2.25.0
OR
f5nginx_agentMatch2.25.1
OR
f5nginx_agentMatch2.26.0
OR
f5nginx_agentMatch2.26.1
OR
f5nginx_agentMatch2.26.2
OR
f5nginx_agentMatch2.27.0
OR
f5nginx_agentMatch2.28.0
OR
f5nginx_agentMatch2.28.1
OR
f5nginx_agentMatch2.29.0
OR
f5nginx_agentMatch2.30.0
OR
f5nginx_agentMatch2.30.1
OR
f5nginx_agentMatch2.30.2
OR
f5nginx_agentMatch2.30.3
OR
f5nginx_agentMatch2.31.0
OR
f5nginx_agentMatch2.31.1
OR
f5nginx_agentMatch2.31.2
OR
f5nginx_agentMatch2.32.0
OR
f5nginx_agentMatch2.32.1
OR
f5nginx_agentMatch2.32.2
OR
f5nginx_agentMatch2.33.0
OR
f5nginx_agentMatch2.34.0
OR
f5nginx_api_connectivity_managerMatch1.0.0
OR
f5nginx_api_connectivity_managerMatch1.1.0
OR
f5nginx_api_connectivity_managerMatch1.1.1
OR
f5nginx_api_connectivity_managerMatch1.2.0
OR
f5nginx_api_connectivity_managerMatch1.3.0
OR
f5nginx_api_connectivity_managerMatch1.3.1
OR
f5nginx_api_connectivity_managerMatch1.4.0
OR
f5nginx_api_connectivity_managerMatch1.4.1
OR
f5nginx_api_connectivity_managerMatch1.5.0
OR
f5nginx_api_connectivity_managerMatch1.6.0
OR
f5nginx_api_connectivity_managerMatch1.7.0
OR
f5nginx_api_connectivity_managerMatch1.8.0
OR
f5nginx_api_connectivity_managerMatch1.9.0
OR
f5nginx_api_connectivity_managerMatch1.9.1
OR
f5nginx_api_connectivity_managerMatch1.9.2
OR
f5nginx_app_protectMatch2.4.0
OR
f5nginx_app_protectMatch3.0.0
OR
f5nginx_app_protectMatch3.1.0
OR
f5nginx_app_protectMatch4.0.1
OR
f5nginx_app_protectMatch4.1.0
OR
f5nginx_app_protectMatch4.2.0
OR
f5nginx_app_protectMatch4.3.0
OR
f5nginx_app_protectMatch4.4.0
OR
f5nginx_app_protectMatch3.11.0
OR
f5nginx_app_protectMatch3.12.1
OR
f5nginx_app_protectMatch3.12.2
OR
f5nginx_app_protectMatch4.0.0
OR
f5nginx_app_protectMatch4.1.0
OR
f5nginx_app_protectMatch4.10.0
OR
f5nginx_app_protectMatch4.2.0
OR
f5nginx_app_protectMatch4.3.0
OR
f5nginx_app_protectMatch4.4.0
OR
f5nginx_app_protectMatch4.5.0
OR
f5nginx_app_protectMatch4.6.0
OR
f5nginx_app_protectMatch4.7.0
OR
f5nginx_app_protectMatch4.8.0
OR
f5nginx_app_protectMatch4.8.1
OR
f5nginx_app_protectMatch4.9.0
OR
f5nginx_app_protectMatch5.0.0
OR
f5nginx_app_protectMatch5.1.0
OR
f5nginx_app_protectMatch5.2.0
OR
f5nginx_controllerMatch3.18.3
OR
f5nginx_controllerMatch3.19.1-APIM
OR
f5nginx_controllerMatch3.19.2-APIM
OR
f5nginx_controllerMatch3.19.3-APIM
OR
f5nginx_controllerMatch3.19.4-APIM
OR
f5nginx_controllerMatch3.19.5-APIM
OR
f5nginx_controllerMatch3.19.6-APIM
OR
f5nginx_controllerMatch3.20.0
OR
f5nginx_controllerMatch3.20.1
OR
f5nginx_controllerMatch3.21.0
OR
f5nginx_controllerMatch3.22.0
OR
f5nginx_controllerMatch3.22.1
OR
f5nginx_controllerMatch3.22.2
OR
f5nginx_controllerMatch3.22.3
OR
f5nginx_controllerMatch3.22.4
OR
f5nginx_controllerMatch3.22.5
OR
f5nginx_controllerMatch3.22.6
OR
f5nginx_controllerMatch3.22.7
OR
f5nginx_controllerMatch3.22.8
OR
f5nginx_controllerMatch3.22.9
OR
f5nginx_ingress_controllerMatch1.12.5
OR
f5nginx_ingress_controllerMatch2.2.1
OR
f5nginx_ingress_controllerMatch2.2.2
OR
f5nginx_ingress_controllerMatch2.3.0
OR
f5nginx_ingress_controllerMatch2.4.0
OR
f5nginx_ingress_controllerMatch2.4.1
OR
f5nginx_ingress_controllerMatch2.4.2
OR
f5nginx_ingress_controllerMatch3.0.0
OR
f5nginx_ingress_controllerMatch3.0.1
OR
f5nginx_ingress_controllerMatch3.0.2
OR
f5nginx_ingress_controllerMatch3.1.0
OR
f5nginx_ingress_controllerMatch3.1.1
OR
f5nginx_ingress_controllerMatch3.2.0
OR
f5nginx_ingress_controllerMatch3.2.1
OR
f5nginx_ingress_controllerMatch3.3.0
OR
f5nginx_ingress_controllerMatch3.3.1
OR
f5nginx_ingress_controllerMatch3.4.0
OR
f5nginx_ingress_controllerMatch3.4.1
OR
f5nginx_ingress_controllerMatch3.4.2
OR
f5nginx_ingress_controllerMatch3.5.0
OR
f5nginx_ingress_controllerMatch3.5.1
OR
f5nginx_ingress_controllerMatch3.5.2
OR
f5nginx_instance_managerMatch2.10.0
OR
f5nginx_instance_managerMatch2.10.1
OR
f5nginx_instance_managerMatch2.11.0
OR
f5nginx_instance_managerMatch2.12.0
OR
f5nginx_instance_managerMatch2.13.0
OR
f5nginx_instance_managerMatch2.13.1
OR
f5nginx_instance_managerMatch2.14.0
OR
f5nginx_instance_managerMatch2.14.1
OR
f5nginx_instance_managerMatch2.15.0
OR
f5nginx_instance_managerMatch2.15.1
OR
f5nginx_instance_managerMatch2.16.0
OR
f5nginx_instance_managerMatch2.2.0
OR
f5nginx_instance_managerMatch2.3.0
OR
f5nginx_instance_managerMatch2.3.1
OR
f5nginx_instance_managerMatch2.4.0
OR
f5nginx_instance_managerMatch2.5.0
OR
f5nginx_instance_managerMatch2.5.1
OR
f5nginx_instance_managerMatch2.6.0
OR
f5nginx_instance_managerMatch2.7.0
OR
f5nginx_instance_managerMatch2.8.0
OR
f5nginx_instance_managerMatch2.9.0
OR
f5nginx_instance_managerMatch2.9.1
OR
f5nginx_security_monitoringMatch1.0.0
OR
f5nginx_security_monitoringMatch1.1.0
OR
f5nginx_security_monitoringMatch1.2.0
OR
f5nginx_security_monitoringMatch1.3.0
OR
f5nginx_security_monitoringMatch1.4.0
OR
f5nginx_security_monitoringMatch1.5.0
OR
f5nginx_security_monitoringMatch1.6.0
OR
f5nginx_security_monitoringMatch1.7.0
OR
f5nginx_security_monitoringMatch1.7.1
OR
f5nginx_plusMatchR27
OR
f5nginx_plusMatchR28
OR
f5nginx_plusMatchR29
OR
f5nginx_plusMatchR30
OR
f5nginx_plusMatchR31
OR
f5nginx_plusMatchR32
OR
f5nginx_service_meshMatch1.1.0
OR
f5nginx_service_meshMatch1.2.0
OR
f5nginx_service_meshMatch1.2.1
OR
f5nginx_service_meshMatch1.3.0
OR
f5nginx_service_meshMatch1.3.1
OR
f5nginx_service_meshMatch1.4.0
OR
f5nginx_service_meshMatch1.4.1
OR
f5nginx_service_meshMatch1.5.0
OR
f5nginx_service_meshMatch1.6.0
OR
f5nginx_service_meshMatch1.7.0
OR
f5nginx_service_meshMatch2.0.0
OR
f5nginxMatch1.27.0
OR
f5nginxMatch1.28.0
OR
f5nginxMatch1.29.0
OR
f5nginxMatch1.30.0
OR
f5nginxMatch1.31.0
OR
f5nginxMatch1.31.1
OR
f5nginxMatch1.32.0
OR
f5nginxMatch1.32.1
OR
f5f5os-aMatch1.5.1
OR
f5f5os-aMatch1.5.2
OR
f5f5os-aMatch1.7.0
OR
f5f5os-cMatch1.6.0
OR
f5f5os-cMatch1.6.1
OR
f5f5os-cMatch1.6.2
OR
f5big-iq_centralized_managementMatch8.1.0
OR
f5big-iq_centralized_managementMatch8.2.0
OR
f5big-iq_centralized_managementMatch8.3.0
OR
f5big-ip_ddos_hybrid_defenderMatch15.1.0
OR
f5big-ip_ddos_hybrid_defenderMatch15.1.1
OR
f5big-ip_ddos_hybrid_defenderMatch16.1.0
OR
f5big-ip_ddos_hybrid_defenderMatch17.1.0
OR
f5ssl_orchestratorMatch15.1.0
OR
f5ssl_orchestratorMatch15.1.1
OR
f5ssl_orchestratorMatch15.1.9
OR
f5ssl_orchestratorMatch16.1.0
OR
f5ssl_orchestratorMatch16.1.1
OR
f5ssl_orchestratorMatch16.1.3
OR
f5ssl_orchestratorMatch16.1.4
OR
f5ssl_orchestratorMatch17.1.0
OR
f5ssl_orchestratorMatch17.1.1
OR
f5traffix_signaling_delivery_controllerMatch5.1.0
OR
f5traffix_signaling_delivery_controllerMatch5.2.0

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

Low

0.006 Low

EPSS

Percentile

77.9%