ID
VAR-202209-1879
CVE
CVE-2022-20944
TITLE
Cisco Systems Cisco IOS XE Digital Signature Verification Vulnerability in
Trust: 0.8
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. Cisco Systems Cisco IOS XE Exists in a digital signature verification vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Cisco Catalyst 9200 Series Switches is a switch made by Cisco (Cisco). Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. For a complete list of the advisories and links to them, see Cisco Event Response: September 2022 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication
Trust: 2.25
IOT TAXONOMY
| category: | ['Network device'] | sub_category: | - | Trust: 0.6 |
AFFECTED PRODUCTS
| vendor: | cisco | model: | ios xe | scope: | eq | version: | - | Trust: 1.0 |
| vendor: | シスコシステムズ | model: | cisco ios xe | scope: | eq | version: | - | Trust: 0.8 |
| vendor: | cisco | model: | catalyst | scope: | eq | version: | 9200 | Trust: 0.6 |
| vendor: | cisco | model: | catalyst c9200l-48pxg-2y | scope: | - | version: | - | Trust: 0.6 |
| vendor: | cisco | model: | catalyst c9200l-48pxg-4x | scope: | - | version: | - | Trust: 0.6 |
| vendor: | cisco | model: | catalyst c9200l-48t-4g | scope: | - | version: | - | Trust: 0.6 |
| vendor: | cisco | model: | catalyst c9200l-48t-4x | scope: | - | version: | - | Trust: 0.6 |
| vendor: | cisco | model: | catalyst c9200-24p | scope: | - | version: | - | Trust: 0.6 |
| vendor: | cisco | model: | catalyst c9200-24t | scope: | - | version: | - | Trust: 0.6 |
| vendor: | cisco | model: | catalyst c9200-48p | scope: | - | version: | - | Trust: 0.6 |
CVSS
SEVERITY | CVSSV2 | CVSSV3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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PROBLEMTYPE DATA
| problemtype: | CWE-347 | Trust: 1.0 |
| problemtype: | Improper verification of digital signatures (CWE-347) [NVD evaluation ] | Trust: 0.8 |
TYPE
data forgery
Trust: 0.6
PATCH
| title: | cisco-sa-ios-xe-cat-verify-D4NEQA6q | url: | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xe-cat-verify-D4NEQA6q | Trust: 0.8 |
| title: | Patch for Cisco Catalyst 9200 Series Switch Data Forgery Vulnerability | url: | https://www.cnvd.org.cn/patchInfo/show/384541 | Trust: 0.6 |
| title: | Cisco Catalyst 9200 Series Switches Repair measures for data forgery problem vulnerabilities | url: | http://123.124.177.30/web/xxk/bdxqById.tag?id=209366 | Trust: 0.6 |
| title: | Cisco: Cisco IOS XE Software for Catalyst 9200 Series Switches Arbitrary Code Execution Vulnerability | url: | https://vulmon.com/vendoradvisory?qidtp=cisco_security_advisories_and_alerts_ciscoproducts&qid=cisco-sa-ios-xe-cat-verify-D4NEQA6q | Trust: 0.1 |
EXTERNAL IDS
| db: | NVD | id: | CVE-2022-20944 | Trust: 3.9 |
| db: | JVNDB | id: | JVNDB-2022-018911 | Trust: 0.8 |
| db: | CNVD | id: | CNVD-2022-91643 | Trust: 0.6 |
| db: | CNNVD | id: | CNNVD-202209-2909 | Trust: 0.6 |
| db: | VULMON | id: | CVE-2022-20944 | Trust: 0.1 |
REFERENCES
| url: | https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-ios-xe-cat-verify-d4neqa6q | Trust: 2.3 |
| url: | https://vigilance.fr/vulnerability/cisco-ios-xe-catalyst-9200-code-execution-via-software-image-verification-39401 | Trust: 1.2 |
| url: | https://nvd.nist.gov/vuln/detail/cve-2022-20944 | Trust: 0.8 |
| url: | https://cxsecurity.com/cveshow/cve-2022-20944/ | Trust: 0.6 |
SOURCES
| db: | CNVD | id: | CNVD-2022-91643 |
| db: | VULMON | id: | CVE-2022-20944 |
| db: | JVNDB | id: | JVNDB-2022-018911 |
| db: | CNNVD | id: | CNNVD-202209-2909 |
| db: | NVD | id: | CVE-2022-20944 |
LAST UPDATE DATE
2024-08-14T15:27:05.130000+00:00
SOURCES UPDATE DATE
| db: | CNVD | id: | CNVD-2022-91643 | date: | 2022-12-29T00:00:00 |
| db: | JVNDB | id: | JVNDB-2022-018911 | date: | 2023-10-24T00:43:00 |
| db: | CNNVD | id: | CNNVD-202209-2909 | date: | 2022-10-14T00:00:00 |
| db: | NVD | id: | CVE-2022-20944 | date: | 2023-11-07T03:43:22.357 |
SOURCES RELEASE DATE
| db: | CNVD | id: | CNVD-2022-91643 | date: | 2022-12-15T00:00:00 |
| db: | JVNDB | id: | JVNDB-2022-018911 | date: | 2023-10-24T00:00:00 |
| db: | CNNVD | id: | CNNVD-202209-2909 | date: | 2022-09-28T00:00:00 |
| db: | NVD | id: | CVE-2022-20944 | date: | 2022-10-10T21:15:10.480 |