CVE-2021-23032
High
Description
On version 16.x before 16.1.0, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x and 12.1.x, when a BIG-IP DNS system is configured with non-default Wide IP and pool settings, undisclosed DNS responses can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
SeverityHigh
CVSS7.5
Exploit probability—
Product
F5 Big-ip Domain Name System
PublishedSep 14, 2021
First seenSep 14, 2021
Weakness typeCWE-20Improper input validation
How to fix
Update
- f5 big-ip_domain_name_system14.1.4.4, 15.1.3.1, 16.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| f5 big-ip_domain_name_system | 12.1.0 ≤ v ≤ 12.1.6, 13.1.0 ≤ v ≤ 13.1.4, 14.1.0 ≤ v < 14.1.4.4, 15.1.0 ≤ v < 15.1.3.1, 16.0.0 ≤ v < 16.1.0 | 14.1.4.4, 15.1.3.1, 16.1.0 |
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