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CVE-2024-20376

Quick assessment

Affected
Cisco Cisco IP Phones with Multiplatform Firmware
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 IP Phone是美国思科（Cisco）公司的一个硬件设备。提供通话功能的IP电话。 Cisco IP Phone存在安全漏洞，该漏洞源于对用户提供的输入验证不足，未经身份验证的远程攻击者可能会导致受影响的设备重新加载，从而导致拒绝服务。

CVSS 7.5 · High EPSS 0.88% · P58

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-20376

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based management interface of Cisco IP Phone firmware could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a DoS condition. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to cause the affected device to reload.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IP Phone 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IP Phone是美国思科（Cisco）公司的一个硬件设备。提供通话功能的IP电话。 Cisco IP Phone存在安全漏洞，该漏洞源于对用户提供的输入验证不足，未经身份验证的远程攻击者可能会导致受影响的设备重新加载，从而导致拒绝服务。
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 IP Phones with Multiplatform Firmware 11.3.1 MSR2-6 -
Cisco Cisco PhoneOS 1.0.1 -

II. Public POCs for CVE-2024-20376

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III. Intelligence Information for CVE-2024-20376

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Vendor Advisories for CVE-2024-20376 (1)

Same Patch Batch · Cisco · 2024-05-01 · 3 CVEs total

CVE-2024-20378 7.5 HIGH Cisco IP Phone 安全漏洞
CVE-2024-20357 5.9 MEDIUM Cisco IP Phone 安全漏洞

IV. Related Vulnerabilities

Same product: Cisco IP Phones with Multiplatform Firmware
Same vendor: Cisco
Same weakness: CWE-787

V. Comments for CVE-2024-20376

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