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[email protected]CVE-2021-22999

HistoryMar 31, 2021 - 6:15 p.m.

CVE-2021-22999

2021-03-3118:15:00

NVD-CWE-noinfo

[email protected]

web.nvd.nist.gov

cve

2021

22999

big-ip

http/2

http/1.x

connection issue

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

7.4 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 15.0.x before 15.1.0 and 14.1.x before 14.1.4, the BIG-IP system provides an option to connect HTTP/2 clients to HTTP/1.x servers. When a client is slow to accept responses and it closes a connection prematurely, the BIG-IP system may indefinitely retain some streams unclosed. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

CPENameOperatorVersion
f5:big-ip_local_traffic_managerf5 big-ip local traffic managerlt15.1.0
f5:big-ip_application_security_managerf5 big-ip application security managerlt15.1.0
f5:big-ip_access_policy_managerf5 big-ip access policy managerlt15.1.0
f5:big-ip_advanced_firewall_managerf5 big-ip advanced firewall managerlt15.1.0
f5:big-ip_analyticsf5 big-ip analyticslt15.1.0
f5:big-ip_application_acceleration_managerf5 big-ip application acceleration managerlt15.1.0
f5:big-ip_domain_name_systemf5 big-ip domain name systemlt15.1.0
f5:big-ip_fraud_protection_servicef5 big-ip fraud protection servicelt15.1.0
f5:big-ip_global_traffic_managerf5 big-ip global traffic managerlt15.1.0
f5:big-ip_link_controllerf5 big-ip link controllerlt15.1.0

CPE	Name	Operator	Version
f5:big-ip_local_traffic_manager	f5 big-ip local traffic manager	lt	15.1.0
f5:big-ip_application_security_manager	f5 big-ip application security manager	lt	15.1.0
f5:big-ip_access_policy_manager	f5 big-ip access policy manager	lt	15.1.0
f5:big-ip_advanced_firewall_manager	f5 big-ip advanced firewall manager	lt	15.1.0
f5:big-ip_analytics	f5 big-ip analytics	lt	15.1.0
f5:big-ip_application_acceleration_manager	f5 big-ip application acceleration manager	lt	15.1.0
f5:big-ip_domain_name_system	f5 big-ip domain name system	lt	15.1.0
f5:big-ip_fraud_protection_service	f5 big-ip fraud protection service	lt	15.1.0
f5:big-ip_global_traffic_manager	f5 big-ip global traffic manager	lt	15.1.0
f5:big-ip_link_controller	f5 big-ip link controller	lt	15.1.0

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References

support.f5.com/csp/article/K02333782

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

7.4 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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