CVE-2022-20731

Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches Vulnerabilities

MEDIUM
6.8
CVSS Score
Published: April 15, 2022 at 02:20 PM UTC
Updated: June 17, 2026 at 04:24 AM UTC
3 products affected across 1 vendorIOS RommonCatalyst Digital Building Series Switches FirmwareCatalyst Digital Building Series Switches

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 15.2(7)e
cisco-catalyst-digital-building-series-switches (same device)
All versions
cisco-catalyst-digital-building-series-switches (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1221CWE-665

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