CVE-2021-23034 — Improper Input Validation in F5 Big-ip Global Traffic Manager

CWE-20 — Improper Input ValidationCWE-668 — Resource Exposure4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.9%
top 24.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
F5 Big-ip Access Policy ManagerF5 Big-ip Advanced Firewall ManagerF5 Big-ip Analytics+8 more
Timeline
PublishedSep 14
Latest updateMay 24

Description

On BIG-IP version 16.x before 16.1.0 and 15.1.x before 15.1.3.1, when a DNS profile using a DNS cache resolver is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate. 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 Packages12 packages

▶NVDf5/big-ip_local_traffic_manager15.1.0 — 15.1.3.1+1
▶NVDf5/big-ip_global_traffic_manager15.1.0 — 15.1.3.1+1
▶NVDf5/big-ip_analytics15.1.0 — 15.1.3.1+1
▶NVDf5/big-ip_link_controller15.1.0 — 15.1.3.1+1
▶NVDf5/big-ip_domain_name_system15.1.0 — 15.1.3.1+1

🔴Vulnerability Details

2
GHSA
GHSA-4q8v-hwx2-8gc2: On BIG-IP version 16↗2022-05-24
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CVEList
CVE-2021-23034: On BIG-IP version 16↗2021-09-14
▶

📋Vendor Advisories

1
F5
CVE-2021-23034: On BIG-IP version 16↗2021-09-14
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CVE-2021-23034 — Improper Input Validation in F5 | cvebase