CVE-2022-20756— Cisco Identity Services Engine 资源管理错误漏洞
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一、 漏洞 CVE-2022-20756 基础信息
漏洞信息
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Vulnerability Title
Cisco Identity Services Engine RADIUS Service Denial of Service Vulnerability
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
A vulnerability in the RADIUS feature of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to cause the affected system to stop processing RADIUS packets. This vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this vulnerability by attempting to authenticate to a network or a service where the access server is using Cisco ISE as the RADIUS server. A successful exploit could allow the attacker to cause Cisco ISE to stop processing RADIUS requests, causing authentication/authorization timeouts, which would then result in legitimate requests being denied access. Note: To recover the ability to process RADIUS packets, a manual restart of the affected Policy Service Node (PSN) is required. See the Details section for more information.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
资源管理错误
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Cisco Identity Services Engine 资源管理错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Cisco Identity Services Engine（ISE）是美国思科（Cisco）公司的一款环境感知平台（ISE身份服务引擎）。该平台通过收集网络、用户和设备中的实时信息，制定并实施相应策略来监管网络。 Cisco Identity Services Engine 存在资源管理错误漏洞，该漏洞源于某些RADIUS请求处理不当。未经认证的远程攻击者可利用该漏洞导致受影响的系统停止处理RADIUS报文。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Cisco | Cisco Identity Services Engine Software | n/a | - |
二、漏洞 CVE-2022-20756 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC高级
未找到公开 POC。
登录以生成 AI POC三、漏洞 CVE-2022-20756 的情报信息
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-dos-JLh9TxBpvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2022-20756
同批安全公告 · Cisco · 2022-04-06 · 共 12 条
| CVE-2022-20755 | 9.0 CRITICAL | Cisco Expressway Series 安全漏洞 |
| CVE-2022-20754 | 9.0 CRITICAL | Cisco Expressway Series 安全漏洞 |
| CVE-2022-20762 | 7.8 HIGH | Cisco Ultra Cloud Core 安全漏洞 |
| CVE-2022-20774 | 6.8 MEDIUM | Cisco IP Phone 跨站请求伪造漏洞 |
| CVE-2022-20782 | 6.5 MEDIUM | Cisco Identity Services Engine 安全漏洞 |
| CVE-2022-20665 | 6.0 MEDIUM | Cisco StarOS 命令注入漏洞 |
| CVE-2022-20784 | 5.8 MEDIUM | Cisco Web Security Appliance 输入验证错误漏洞 |
| CVE-2022-20741 | 5.4 MEDIUM | Cisco Secure Network Analytics 跨站脚本漏洞 |
| CVE-2022-20763 | 5.4 MEDIUM | Cisco Webex Meetings 代码问题漏洞 |
| CVE-2022-20781 | 5.4 MEDIUM | Cisco Web Security Appliance和Cisco AsyncOS 跨站脚本漏洞 |
| CVE-2022-20675 | 5.3 MEDIUM | 多款 Cisco 产品安全漏洞 |
IV. Related Vulnerabilities
Same product: Cisco Identity Services Engine Software
V. Comments for CVE-2022-20756
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