BIG-IP Advanced WAF および ASM におけるリソースの枯渇に関する脆弱性
| Title |
BIG-IP Advanced WAF および ASM におけるリソースの枯渇に関する脆弱性
|
| Summary |
BIG-IP Advanced WAF および ASM には、リソースの枯渇に関する脆弱性が存在します。
|
| Possible impacts |
サービス運用妨害 (DoS) 状態にされる可能性があります。 |
| Solution |
ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date |
Feb. 11, 2021, midnight |
| Registration Date |
Nov. 9, 2021, 6:02 p.m. |
| Last Update |
Nov. 9, 2021, 6:02 p.m. |
|
CVSS3.0 : 重要
|
| Score |
7.5
|
| Vector |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
|
CVSS2.0 : 警告
|
| Score |
5
|
| Vector |
AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected System
| F5 Networks |
|
BIG-IP Advanced Web Application Firewall (WAF) 12.1.x
|
|
BIG-IP Advanced Web Application Firewall (WAF) 13.1.3.6 未満の 13.1.x
|
|
BIG-IP Advanced Web Application Firewall (WAF) 14.1.3.1 未満の 14.1.x
|
|
BIG-IP Advanced Web Application Firewall (WAF) 15.1.2 未満の 15.1.x
|
|
BIG-IP Advanced Web Application Firewall (WAF) 16.0.1.1 未満の 16.0.x
|
|
BIG-IP Application Security Manager (ASM) 12.1.x
|
|
BIG-IP Application Security Manager (ASM) 13.1.3.6 未満の 13.1.x
|
|
BIG-IP Application Security Manager (ASM) 14.1.3.1 未満の 14.1.x
|
|
BIG-IP Application Security Manager (ASM) 15.1.2 未満の 15.1.x
|
|
BIG-IP Application Security Manager (ASM) 16.0.1.1 未満の 16.0.x
|
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2021年11月09日] 掲載 |
Nov. 9, 2021, 6:02 p.m. |
NVD Vulnerability Information
CVE-2021-22976
| Summary |
On BIG-IP Advanced WAF and ASM version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
|
| Publication Date |
Feb. 13, 2021, 3:15 a.m. |
| Registration Date |
Feb. 13, 2021, 10:02 a.m. |
| Last Update |
Nov. 21, 2024, 2:51 p.m. |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* |
12.1.0 |
12.1.5 |
|
|
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* |
12.1.0 |
12.1.5 |
|
|
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* |
14.1.0 |
|
|
14.1.3.1 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* |
14.1.0 |
|
|
14.1.3.1 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* |
16.0.0 |
|
|
16.0.1.1 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* |
15.1.0 |
|
|
15.1.2 |
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* |
16.0.0 |
|
|
16.0.1.1 |
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* |
15.1.0 |
|
|
15.1.2 |
| cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* |
13.1.0 |
|
|
13.1.3.6 |
| cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* |
13.1.0 |
|
|
13.1.3.6 |
Related information, measures and tools
Common Vulnerabilities List