CVE-2021-23042 — Uncontrolled Resource Consumption in F5 Big-ip Domain Name System

CWE-400 — Uncontrolled Resource Consumption4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.6%
top 29.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
14
F5 Big-ip Access Policy ManagerF5 Big-ip Advanced Firewall ManagerF5 Big-ip Advanced WEB Application Firewall+11 more
Timeline
PublishedSep 14
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages15 packages

▶NVDf5/big-ip_domain_name_system12.1.0 — 12.1.6+4
▶NVDf5/big-ip_analytics12.1.0 — 12.1.6+4
▶NVDf5/big-ip_link_controller12.1.0 — 12.1.6+4
▶NVDf5/big-ip_ssl_orchestrator12.1.0 — 12.1.6+4
▶NVDf5/big-ip_ddos_hybrid_defender12.1.0 — 12.1.6+4

🔴Vulnerability Details

2
GHSA
GHSA-8gj7-74p4-c853: On BIG-IP version 16↗2022-05-24
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CVEList
CVE-2021-23042: On BIG-IP version 16↗2021-09-14
▶

📋Vendor Advisories

1
F5
CVE-2021-23042: On BIG-IP version 16↗2021-09-14
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CVE-2021-23042 — Uncontrolled Resource Consumption | cvebase