CVE-2022-20762— Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure Privilege Escalation Vulnerability
Quick assessment
Affected
Cisco Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco Ultra Cloud Core是美国思科（Cisco）公司的一种基于 Kubernetes 的解决方案。可为 Cisco 基于容器的 5G 应用程序提供通用执行环境。 Cisco Ultra Cloud Core 存在安全漏洞，该漏洞允许经过身份验证的本地攻击者可利用该漏洞升级受影响设备上的权限。此漏洞是由于受影响的CLI中没有足够的访问控制。攻击者利用该漏洞可以通过一个CEE ConfD CLI用户进行身份验证并执行特定的CLI命令来利用这个漏洞。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2022-20762
Vulnerability Information
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Vulnerability Title
Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Common Execution Environment (CEE) ConfD CLI of Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure (SMI) software could allow an authenticated, local attacker to escalate privileges on an affected device. This vulnerability is due to insufficient access control in the affected CLI. An attacker could exploit this vulnerability by authenticating as a CEE ConfD CLI user and executing a specific CLI command. A successful exploit could allow an attacker to access privileged containers with root privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Ultra Cloud Core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Ultra Cloud Core是美国思科（Cisco）公司的一种基于 Kubernetes 的解决方案。可为 Cisco 基于容器的 5G 应用程序提供通用执行环境。 Cisco Ultra Cloud Core 存在安全漏洞，该漏洞允许经过身份验证的本地攻击者可利用该漏洞升级受影响设备上的权限。此漏洞是由于受影响的CLI中没有足够的访问控制。攻击者利用该漏洞可以通过一个CEE ConfD CLI用户进行身份验证并执行特定的CLI命令来利用这个漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure | n/a | - |
|
II. Public POCs for CVE-2022-20762
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2022-20762 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uccsmi-prvesc-BQHGe4cm vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2022-04-06 · 12 CVEs total
| CVE-2022-20755 | 9.0 CRITICAL | Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities |
| CVE-2022-20754 | 9.0 CRITICAL | Cisco Expressway Series and Cisco TelePresence Video Communication Server Vulnerabilities |
| CVE-2022-20756 | 8.6 HIGH | Cisco Identity Services Engine RADIUS Service Denial of Service Vulnerability |
| CVE-2022-20774 | 6.8 MEDIUM | Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware Cross-Site Request |
| CVE-2022-20782 | 6.5 MEDIUM | Cisco Identity Services Engine Sensitive Information Disclosure Vulnerability |
| CVE-2022-20665 | 6.0 MEDIUM | Cisco StarOS Command Injection Vulnerability |
| CVE-2022-20784 | 5.8 MEDIUM | Cisco Web Security Appliance Filter Bypass Vulnerability |
| CVE-2022-20741 | 5.4 MEDIUM | Cisco Secure Network Analytics Network Diagrams Application Cross-Site Scripting Vulnerabi |
| CVE-2022-20763 | 5.4 MEDIUM | Cisco Webex Meetings Java Deserialization Vulnerability |
| CVE-2022-20781 | 5.4 MEDIUM | Cisco Web Security Appliance Stored Cross-Site Scripting Vulnerability |
| CVE-2022-20675 | 5.3 MEDIUM | Multiple Cisco Security Products Simple Network Management Protocol Service Denial of Serv |
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V. Comments for CVE-2022-20762
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