CVE-2021-23034
published 2021-09-14CVE-2021-23034: 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…
PriorityP341high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.95%
57.3th percentile
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.
Affected
34 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| f5 | big-ip_aam | — | — |
| f5 | big-ip_access_policy_manager | — | — |
| f5 | big-ip_access_policy_manager | >= 15.1.0 < 15.1.3.1 | 15.1.3.1 |
| f5 | big-ip_access_policy_manager | >= 16.0.0 < 16.1.0 | 16.1.0 |
| f5 | big-ip_advanced_firewall_manager | >= 15.1.0 < 15.1.3.1 | 15.1.3.1 |
| f5 | big-ip_advanced_firewall_manager | >= 16.0.0 < 16.1.0 | 16.1.0 |
| f5 | big-ip_afm | — | — |
| f5 | big-ip_analytics | — | — |
| f5 | big-ip_analytics | >= 15.1.0 < 15.1.3.1 | 15.1.3.1 |
| f5 | big-ip_analytics | >= 16.0.0 < 16.1.0 | 16.1.0 |
| f5 | big-ip_apm | — | — |
| f5 | big-ip_application_acceleration_manager | >= 15.1.0 < 15.1.3.1 | 15.1.3.1 |
| f5 | big-ip_application_acceleration_manager | >= 16.0.0 < 16.1.0 | 16.1.0 |
| f5 | big-ip_application_security_manager | >= 15.1.0 < 15.1.3.1 | 15.1.3.1 |
| f5 | big-ip_application_security_manager | >= 16.0.0 < 16.1.0 | 16.1.0 |
| f5 | big-ip_asm | — | — |
| f5 | big-ip_dns | — | — |
| f5 | big-ip_domain_name_system | >= 15.1.0 < 15.1.3.1 | 15.1.3.1 |
| f5 | big-ip_domain_name_system | >= 16.0.0 < 16.1.0 | 16.1.0 |
| f5 | big-ip_fps | — | — |
| f5 | big-ip_fraud_protection_service | >= 15.1.0 < 15.1.3.1 | 15.1.3.1 |
| f5 | big-ip_fraud_protection_service | >= 16.0.0 < 16.1.0 | 16.1.0 |
| f5 | big-ip_global_traffic_manager | >= 15.1.0 < 15.1.3.1 | 15.1.3.1 |
| f5 | big-ip_global_traffic_manager | >= 16.0.0 < 16.1.0 | 16.1.0 |
| f5 | big-ip_gtm | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.07.1HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-4q8v-hwx2-8gc2: On BIG-IP version 16
ghsa_unreviewed·2022-05-24
CVE-2021-23034 [HIGH] CWE-668 GHSA-4q8v-hwx2-8gc2: On BIG-IP version 16
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.
F5
CVE-2021-23034: On BIG-IP version 16
vendor_f5·2021-09-14·CVSS 7.5
CVE-2021-23034 [HIGH] CWE-20 CVE-2021-23034: On BIG-IP version 16
CVE-2021-23034: On BIG-IP version 16
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.
Affected Products: BIG-IP AAM, BIG-IP AFM, BIG-IP APM, BIG-IP ASM, BIG-IP Analytics, BIG-IP DNS, BIG-IP FPS, BIG-IP GTM, BIG-IP LTM, BIG-IP Link Controller, BIG-IP PEM
Affected Versions: 15.1.0 - 15.1.3.1; 16.0.0 - 16.1.0
F5 Advisory Articles: K30523121
F5 References: https://support.f5.com/csp/article/K30523121
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-09-14
Published