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CVE-2026-20133

Quick assessment

Affected
Cisco Cisco Catalyst SD-WAN Manager
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Catalyst SD-WAN Manager（Cisco SD-WAN vManage）是美国思科（Cisco）公司的一个高度可定制的仪表板。可简化和自动化 Cisco SD-WAN 的部署、配置、管理和操作。 Cisco Catalyst SD-WAN Manager存在信息泄露漏洞，该漏洞源于文件系统访问限制不足，可能导致远程攻击者读取底层操作系统敏感信息。

CVSS 6.5 · Medium KEV EPSS 31.83% · P98

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2026-20133

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Catalyst SD-WAN Manager（Cisco SD-WAN vManage） 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst SD-WAN Manager（Cisco SD-WAN vManage）是美国思科（Cisco）公司的一个高度可定制的仪表板。可简化和自动化 Cisco SD-WAN 的部署、配置、管理和操作。 Cisco Catalyst SD-WAN Manager存在信息泄露漏洞，该漏洞源于文件系统访问限制不足，可能导致远程攻击者读取底层操作系统敏感信息。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco Catalyst SD-WAN Manager 17.2.6 -

II. Public POCs for CVE-2026-20133

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III. Intelligence Information for CVE-2026-20133

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Same Patch Batch · Cisco · 2026-02-25 · 15 CVEs total

CVE-2026-20127 10.0 CRITICAL Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
CVE-2026-20129 9.8 CRITICAL Cisco Catayst SD-WAN Authentication Bypass Vulnerability
CVE-2026-20126 8.8 HIGH Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability
CVE-2026-20048 7.7 HIGH Cisco NX-OS Software SNMP Denial of Service Vulnerability
CVE-2026-20128 7.5 HIGH Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability
CVE-2026-20033 7.4 HIGH Cisco NX-OS Software Denial of Service Vulnerability
CVE-2026-20010 7.4 HIGH Cisco Nexus 3000 and 9000 Series Switches Link Layer Discovery Protocol Denial of Service
CVE-2026-20051 7.4 HIGH Cisco Nexus 3600-R and 9500-R Series Switching Platforms Layer 2 Loop Denial of Service Vu
CVE-2026-20099 6.7 MEDIUM Cisco UCS Manager and FXOS Software Command Injection Vulnerability
CVE-2026-20036 6.5 MEDIUM Cisco UCS Manager Software Command Injection Vulnerability
CVE-2026-20107 5.5 MEDIUM Cisco Application Policy Infrastructure Controller Denial of Service Vulnerability
CVE-2026-20122 5.4 MEDIUM Cisco Catalyst SD-WAN Manager Arbitrary File Overwrite Vulnerability
CVE-2026-20091 4.8 MEDIUM Cisco UCS Manager and FXOS Software Stored Cross-Site Scripting Vulnerability
CVE-2026-20037 4.4 MEDIUM Cisco UCS Manager File Write Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Catalyst SD-WAN Manager
Same vendor: Cisco
Same weakness: CWE-200

V. Comments for CVE-2026-20133

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