CVE-2021-23049
CVSS V2 Medium 5
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2021-23049
- Assigner
- f5sirt@f5.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-14T13:15:11
- Last Modified Date
- 2021-09-24T15:02:51
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_analytics:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_global_traffic_manager:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_link_controller:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* | 1 | OR | 15.1.0 | 15.1.3 |
| cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:* | 1 | OR | 16.0.0 | 16.0.1.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://support.f5.com/csp/article/K65397301 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-23049 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23049 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:53:35 | Added to TrackCVE | |||
| 2022-12-05 10:32:05 | 2021-09-14T13:15Z | 2021-09-14T13:15:11 | CVE Published Date | updated |
| 2022-12-05 10:32:05 | 2021-09-24T15:02:51 | CVE Modified Date | updated | |
| 2022-12-05 10:32:05 | Analyzed | Vulnerability Status | updated |