CVE-2022-20731

CVSS V2 High 7.2 CVSS V3 Medium 6.8

Description

Multiple vulnerabilities that affect Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches could allow an attacker to execute persistent code at boot time or to permanently prevent the device from booting, resulting in a permanent denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.

Overview

CVE ID
CVE-2022-20731

Assigner
ykramarz@cisco.com

Vulnerability Status
Analyzed

Published Version
2022-04-15T15:15:13

Last Modified Date
2022-05-16T18:41:34

Weakness Enumerations

CWE	URL
CWE-665	http://cwe.mitre.org/data/definitions/665.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:cisco:catalyst_digital_building_series_switches_firmware::::::::	1	OR	15.2\(7\)e
cpe:2.3:o:cisco:ios_rommon:-:::::::*	1	OR
cpe:2.3:h:cisco:catalyst_digital_building_series_switches:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.2

Severity
HIGH

Exploitability Score
3.9

Impact Score
10

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
PHYSICAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
6.8

Base Severity
MEDIUM

Exploitability Score
0.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-20731
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-20731

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 15:42:40				Added to TrackCVE