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CVE-2021-22999

Published: Mar 31, 2021Updated: Nov 21, 2024 Sources: CVE List NVDNVD-CWE-noinfo
7.5HIGH
NVD MITRE
EPSS Score
1.0%
Top 39.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

f5
commercial·US
big-ip access policy managerOn-premNetwork Device
Networking Infrastructure / firewall
big-ip advanced firewall managerOn-premSecurity Product
Networking Infrastructure / firewall
big-ip advanced web application firewallOn-premSecurity Product
Networking Infrastructure / firewall
big-ip analyticsOn-premNetwork Device
Networking Infrastructure / network-management
big-ip application acceleration managerOn-premNetwork Device
Networking Infrastructure / load-balancer-proxy
big-ip application security managerOn-premNetwork Device
Networking Infrastructure / firewall
big-ip ddos hybrid defenderOn-premNetwork Device
Networking Infrastructure / firewall
big-ip domain name systemOn-prem
Networking Infrastructure / dns-dhcp-ntp
and 7 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-22999?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

References

https://support.f5.com/csp/article/K02333782
support.f5.com

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