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CVE-2023-20259

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 Prime Collaboration Deployment是一个GUI界面。 Cisco 多款产品存在安全漏洞，该漏洞源于API 端点中存在安全漏洞，允许未经身份验证的远程攻

CVSS 8.6 · High EPSS 0.61% · P47
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I. Basic Information for CVE-2023-20259

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is not used for device management and is unlikely to be used in normal operations of the device. This vulnerability is due to improper API authentication and incomplete validation of the API request. An attacker could exploit this vulnerability by sending a crafted HTTP request to a specific API on the device. A successful exploit could allow the attacker to cause a denial of service (DoS) condition due to high CPU utilization, which could negatively impact user traffic and management access. When the attack stops, the device will recover without manual intervention.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
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 Prime Collaboration Deployment是一个GUI界面。 Cisco 多款产品存在安全漏洞，该漏洞源于API 端点中存在安全漏洞，允许未经身份验证的远程攻
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)SU7 -
Cisco Cisco Unity Connection 14SU3 -
Cisco Cisco Unified Communications Manager 12.5(1)SU7 -
Cisco Cisco Unified Communications Manager IM and Presence Service 12.5(1)SU7 -
Cisco Cisco Prime Collaboration Deployment 14SU3 -

II. Public POCs for CVE-2023-20259

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III. Intelligence Information for CVE-2023-20259

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Vendor Advisories for CVE-2023-20259 (1)

Same Patch Batch · Cisco · 2023-10-04 · 3 CVEs total

CVE-2023-20101 9.8 CRITICAL Cisco Emergency Responder 信任管理问题漏洞
CVE-2023-20235 6.5 MEDIUM Cisco IOS XE Software 安全漏洞

IV. Related Vulnerabilities

Same product: Cisco Emergency Responder
Same vendor: Cisco
Same weakness: CWE-400

V. Comments for CVE-2023-20259

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