What’s Vulnerable › Vulnerabilities
CVE-2022-20731: Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches Vulnerabilities
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-04-15 · updated 2026-06-17
- Weakness: CWE-1221
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.
Affected products
- Cisco Catalyst Digital Building Series Switches Firmware: through 15.2\(7\)e
- Cisco Ios Rommon: all versions
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb
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