CVE-2022-20818— Cisco SD-WAN Software Privilege Escalation Vulnerabilities
Quick assessment
Affected
Cisco Cisco SD-WAN Solution
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco SD-WAN是美国思科（Cisco）公司的一种高度安全的云规模架构，具有开放性、可编程性和可扩展性。 Cisco SD-WAN Software存在路径遍历漏洞，该漏洞源于对应用程序CLI中的命令的访问控制不当，可能允许经过身份验证的本地攻击者获得提升的权限，成功利用此漏洞可以让攻击者执行任意命令。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1548 · Abuse Elevation Control Mechanism
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I. Basic Information for CVE-2022-20818
Vulnerability Information
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Vulnerability Title
Cisco SD-WAN Software Privilege Escalation Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. These vulnerabilities are due to improper access controls on commands within the application CLI. An attacker could exploit these vulnerabilities by running a malicious command on the application CLI. A successful exploit could allow the attacker to execute arbitrary commands as the root user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
路径遍历：’/../filedir’
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco SD-WAN 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco SD-WAN是美国思科（Cisco）公司的一种高度安全的云规模架构，具有开放性、可编程性和可扩展性。 Cisco SD-WAN Software存在路径遍历漏洞，该漏洞源于对应用程序CLI中的命令的访问控制不当，可能允许经过身份验证的本地攻击者获得提升的权限，成功利用此漏洞可以让攻击者执行任意命令。
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 SD-WAN Solution | n/a | - |
|
II. Public POCs for CVE-2022-20818
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | CVE-2022-20818: Local Privilege Escalation via Partial File Read in Cisco SD-WAN | https://github.com/mbadanoiu/CVE-2022-20818 | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2022-20818 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-priv-E6e8tEdF vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2022-09-30 · 16 CVEs total
| CVE-2022-20919 | 8.6 HIGH | Cisco IOS and IOS XE Software Common Industrial Protocol Request Denial of Service Vulnera |
| CVE-2022-20856 | 8.6 HIGH | Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Mobility Den |
| CVE-2022-20848 | 8.6 HIGH | Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst 9100 Series Access Poi |
| CVE-2022-20847 | 8.6 HIGH | Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family DHCP Processing Den |
| CVE-2022-20855 | 7.9 HIGH | Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst Access Points Privileg |
| CVE-2022-20775 | 7.8 HIGH | Cisco SD-WAN Software Privilege Escalation Vulnerability |
| CVE-2022-20945 | 7.4 HIGH | Cisco Catalyst 9100 Series Access Points Association Request Denial of Service Vulnerabili |
| CVE-2022-20769 | 7.4 HIGH | Cisco Wireless LAN Controller AireOS Software FIPS Mode Denial of Service Vulnerability |
| CVE-2022-20930 | 6.7 MEDIUM | Cisco SD-WAN Software Arbitrary File Corruption Vulnerability |
| CVE-2022-20810 | 6.5 MEDIUM | Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family SNMP Information Di |
| CVE-2022-20662 | 6.1 MEDIUM | Cisco Duo for macOS Authentication Bypass Vulnerability |
| CVE-2022-20851 | 5.5 MEDIUM | Cisco IOS XE Software Web UI Command Injection Vulnerability |
| CVE-2022-20850 | 5.5 MEDIUM | Cisco SD-WAN Arbitrary File Deletion Vulnerability |
| CVE-2022-20844 | 5.3 MEDIUM | Cisco Software-Defined Application Visibility and Control on Cisco vManage Static Username |
| CVE-2022-20728 | 4.7 MEDIUM | Cisco Access Points VLAN Bypass from Native VLAN Vulnerability |
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