CVE-2021-23049 Details
Description
On BIG-IP version 16.0.x before 16.0.1.2 and 15.1.x before 15.1.3, when the iRules RESOLVER::summarize command is used on a virtual server, undisclosed requests can cause an increase in Traffic Management Microkernel (TMM) memory utilization resulting in an out-of-memory condition and a denial-of-service (DoS). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.f5.com/csp/article/K65397301 | CVE | Vendor Advisory |
| https://support.f5.com/csp/article/K65397301 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | [email protected] |
| CWE-400 | Uncontrolled Resource Consumption | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| f5 big-ip access policy manager | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip advanced firewall manager | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip advanced web application firewall | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip analytics | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip application acceleration manager | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip application security manager | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip domain name system | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip fraud protection service | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip global traffic manager | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip link controller | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
| f5 big-ip local traffic manager | >= 15.1.0, < 15.1.3 >= 16.0.0, < 16.0.1.2 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Sep 24, 2021 | Initial Analysis | [email protected] |