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CVE-2023-20266

Quick assessment

Affected
Cisco Cisco Emergency Responder
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 Unity Connection（UC）等都是美国思科（Cisco）公司的产品。Cisco Unity Connection是一套语音留言平台。Cisco Unified Communications Manager（CUCM，Unified CM，CallManager）是一款统一通信系统中的呼叫处理组件。Cisco Emergency Responder是一款应急响应框架。 Cisco多款产品存在安全漏洞，该漏洞源于应用程序没有正确限制用于升级的文件，攻击者利用该漏洞可以在受影响的设备上提

CVSS 6.5 · Medium EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-20266

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device. This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco多款产品安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Unity Connection（UC）等都是美国思科（Cisco）公司的产品。Cisco Unity Connection是一套语音留言平台。Cisco Unified Communications Manager（CUCM，Unified CM，CallManager）是一款统一通信系统中的呼叫处理组件。Cisco Emergency Responder是一款应急响应框架。 Cisco多款产品存在安全漏洞，该漏洞源于应用程序没有正确限制用于升级的文件，攻击者利用该漏洞可以在受影响的设备上提
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 Emergency Responder 12.5(1)SU4 -
Cisco Cisco Unity Connection 12.5(1)SU6 -
Cisco Cisco Unified Communications Manager 12.5(1)SU8 -

II. Public POCs for CVE-2023-20266

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III. Intelligence Information for CVE-2023-20266

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Vendor Advisories for CVE-2023-20266 (1)

IV. Related Vulnerabilities

Same product: Cisco Emergency Responder
Same vendor: Cisco
Same weakness: CWE-347

V. Comments for CVE-2023-20266

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