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CVE-2024-20533— Cisco IP Phone 6800, 7800, 8800, and 9800 Series with Multiplatform Firmware Stored Cross-Site Scripting Vulnerabilities

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存在跨站脚本漏洞，该漏洞源于受影响设备的WebUI未正确验证用户提供的输入。经过身份验证的远程攻击者对用户发起存储型跨站脚本(XSS)攻击。

CVSS 4.8 · Medium EPSS 0.28% · P18
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I. Basic Information for CVE-2024-20533

Vulnerability Information
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Vulnerability Title
Cisco IP Phone 6800, 7800, 8800, and 9800 Series with Multiplatform Firmware Stored Cross-Site Scripting Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web UI of Cisco Desk Phone 9800 Series, Cisco IP Phone 6800, 7800, and 8800 Series, and Cisco Video Phone 8875 with Cisco Multiplatform Firmware could allow an authenticated, remote attacker to conduct stored cross-site scripting (XSS) attacks against users. This vulnerability exists because the web UI of an affected device does not properly validate user-supplied input. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. Note: To exploit this vulnerability, Web Access must be enabled on the phone and the attacker must have Admin credentials on the device. Web Access is disabled by default.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IP Phone 跨站脚本漏洞
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存在跨站脚本漏洞，该漏洞源于受影响设备的WebUI未正确验证用户提供的输入。经过身份验证的远程攻击者对用户发起存储型跨站脚本(XSS)攻击。
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 11.1.2 -
Cisco Cisco Session Initiation Protocol (SIP) Software 3.1(1) -

II. Public POCs for CVE-2024-20533

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III. Intelligence Information for CVE-2024-20533

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Vendor Advisories for CVE-2024-20533 (1)

Same Patch Batch · Cisco · 2024-11-06 · 25 CVEs total

CVE-2024-20418 10.0 CRITICAL Cisco Ultra-Reliable Wireless Backhaul Software Command Injection Vulnerability
CVE-2024-20536 8.8 HIGH Cisco Nexus Dashboard Fabric Controller SQL Injection Vulnerability
CVE-2024-20484 7.5 HIGH Cisco Enterprise Chat and Email Denial of Service Vulnerability
CVE-2024-20457 6.5 MEDIUM Cisco Unified Communications Manager IM & Presence Service Information Disclosure Vulnerab
CVE-2024-20537 6.5 MEDIUM Cisco Identity Services Engine Authorization Bypass Vulnerability
CVE-2024-20538 6.1 MEDIUM Cisco Identity Services Engine Cross-Site Scripting Vulnerability
CVE-2024-20530 6.1 MEDIUM Cisco Identity Services Engine Reflected Cross-Site Scripting Vulnerability
CVE-2024-20525 6.1 MEDIUM Cisco Identity Services Engine Reflected Cross-Site Scripting Vulnerability
CVE-2024-20511 6.1 MEDIUM Cisco Unified Communications Manager Cross-Site Scripting Vulnerability
CVE-2024-20532 5.5 MEDIUM Cisco Identity Services Engine Arbitrary File Read and Delete Vulnerability
CVE-2024-20531 5.5 MEDIUM Cisco Identity Services Engine XML External Entity Injection Vulnerability
CVE-2024-20529 5.5 MEDIUM Cisco Identity Services Engine Arbitrary File Read and Delete Vulnerability
CVE-2024-20527 5.5 MEDIUM Cisco Identity Services Engine Arbitrary File Read and Delete Vulnerability
CVE-2024-20540 5.4 MEDIUM Cisco Unified Contact Center Management Portal Stored Cross-Site Scripting Vulnerability
CVE-2024-20504 5.4 MEDIUM Cisco Secure Email and Web Manager, Secure Email Gateway, and Secure Web Appliance Stored
CVE-2024-20514 5.4 MEDIUM Cisco Evolved Programmable Network Manager and Cisco Prime Infrastructure Stored Cross-Sit
CVE-2024-20445 5.3 MEDIUM Cisco IP Phone 7800, 8800, and 9800 Series Information Disclosure Vulnerability
CVE-2024-20371 5.3 MEDIUM Cisco Nexus 3550-F Switches Access Control List Programming Vulnerability
CVE-2024-20534 4.8 MEDIUM Cisco IP Phone 6800, 7800, 8800, and 9800 Series with Multiplatform Firmware Stored Cross-
CVE-2024-20539 4.8 MEDIUM Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerability

Showing top 20 of 25 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco IP Phones with Multiplatform Firmware
Same vendor: Cisco
Same weakness: CWE-79

V. Comments for CVE-2024-20533

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