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CVE-2022-20944— Cisco IOS XE Software for Catalyst 9200 Series Switches Arbitrary Code Execution Vulnerability

Quick assessment

Affected
Cisco Cisco IOS XE Software
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 Catalyst 9200 Series Switches和Cisco IOS XE Software都是美国思科（Cisco）公司的产品。Cisco Catalyst 9200 Series Switches是一款交换机。Cisco IOS XE Software是一个操作系统。用于企业有线和无线访问，汇聚，核心和WAN的单一操作系统，Cisco IOS XE降低了业务和网络的复杂性。 Cisco IOS XE software Catalyst 9200 Series Switches存在

CVSS 6.1 · Medium EPSS 0.21% · P10
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I. Basic Information for CVE-2022-20944

Vulnerability Information
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Vulnerability Title
Cisco IOS XE Software for Catalyst 9200 Series Switches Arbitrary Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the software image verification functionality of Cisco IOS XE Software for Cisco Catalyst 9200 Series Switches could allow an unauthenticated, physical attacker to execute unsigned code at system boot time. This vulnerability is due to an improper check in the code function that manages the verification of the digital signatures of system image files during the initial boot process. An attacker could exploit this vulnerability by loading unsigned software on an affected device. A successful exploit could allow the attacker to boot a malicious software image or execute unsigned code and bypass the image verification check part of the boot process of the affected device. To exploit this vulnerability, the attacker needs either unauthenticated physical access to the device or privileged access to the root shell on the device. Note: In Cisco IOS XE Software releases 16.11.1 and later, root shell access is protected by the Consent Token mechanism. However, an attacker with level-15 privileges could easily downgrade the Cisco IOS XE Software running on a device to a release where root shell access is more readily available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Catalyst 9200 Series Switches 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst 9200 Series Switches和Cisco IOS XE Software都是美国思科（Cisco）公司的产品。Cisco Catalyst 9200 Series Switches是一款交换机。Cisco IOS XE Software是一个操作系统。用于企业有线和无线访问，汇聚，核心和WAN的单一操作系统，Cisco IOS XE降低了业务和网络的复杂性。 Cisco IOS XE software Catalyst 9200 Series Switches存在
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 IOS XE Software n/a -

II. Public POCs for CVE-2022-20944

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III. Intelligence Information for CVE-2022-20944

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Vendor Advisories for CVE-2022-20944 (1)

Same Patch Batch · Cisco · 2022-10-10 · 7 CVEs total

CVE-2022-20837 8.6 HIGH Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnera
CVE-2022-20870 8.6 HIGH Cisco IOS XE Software for Catalyst Switches MPLS Denial of Service Vulnerability
CVE-2022-20920 7.7 HIGH Cisco IOS and IOS XE Software SSH Denial of Service Vulnerability
CVE-2022-20915 7.4 HIGH Cisco IOS XE Software IPv6 VPN over MPLS Denial of Service Vulnerability
CVE-2022-20830 5.3 MEDIUM Cisco Software-Defined Application Visibility and Control on Cisco vManage Authentication
CVE-2022-20864 4.6 MEDIUM Cisco IOS XE ROM Monitor Software for Catalyst Switches Information Disclosure Vulnerabili

IV. Related Vulnerabilities

Same product: Cisco IOS XE Software
Same vendor: Cisco
Same weakness: CWE-347

V. Comments for CVE-2022-20944

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