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CVE-2026-20035— Cisco Unity Connection Server-Side Request Forgery Vulnerability

CVSS 7.2 · High EPSS 0.02% · P5
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I. Basic Information for CVE-2026-20035

Vulnerability Information
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Vulnerability Title
Cisco Unity Connection Server-Side Request Forgery Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web UI of Cisco Unity Connection Web Inbox could allow an unauthenticated, remote attacker to conduct SSRF attacks through an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to send arbitrary network requests that are sourced from the affected device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Unity Connection Web Inbox 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Unity Connection Web Inbox是美国思科（Cisco）公司的一个语音邮件访问与管理界面。 Cisco Unity Connection Web Inbox存在代码问题漏洞，该漏洞源于对特定HTTP请求输入验证不当，可能导致未经身份验证的远程攻击者通过发送特制HTTP请求执行SSRF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

VendorProductAffected VersionsCPESubscribe
CiscoCisco Unity Connection 12.5(1) -

II. Public POCs for CVE-2026-20035

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III. Intelligence Information for CVE-2026-20035

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Same Patch Batch · Cisco · 2026-05-06 · 12 CVEs total

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CVE-2026-201696.4 MEDIUMCisco IoT Field Network Director Command Injection Vulnerability
CVE-2026-202195.4 MEDIUMCisco Slido 安全漏洞
CVE-2026-201955.3 MEDIUMCisco Identity Services Engine Observable Response Discrepancy Vulnerability
CVE-2026-201934.3 MEDIUMCisco Identity Services Engine Authentication Bypass Vulnerability
CVE-2026-201894.3 MEDIUMCisco Prime Infrastructure Information Disclosure Vulnerability
CVE-2026-201724.3 MEDIUMCisco Enterprise Chat and Email Lite Agent File Upload Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Unity Connection
Same vendor: Cisco
Same weakness: CWE-918

V. Comments for CVE-2026-20035

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