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TI-2022-05220 Aliases CVE-2022-20661GHSA-rpx6-495p-fq5g

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

Priority LOW 21CWE-1221Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00224 13th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco IOS ROMMON Softwareall versions—No fix listedCNA
  • Cisco IOS ROMMON Software VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*15.2\(5\)ex to before 15.2\(7\)e5VulnerableCisco
cpe:2.3:h:cisco:cdb-8p:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:cdb-8u:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ios:15.2\(8\)e:*:*:*:*:*:*:*15.2(8)eVulnerableCisco
cpe:2.3:h:cisco:cmicr-4pc:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:cmicr-4ps:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:cmicr-4pt:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
  • cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* Versions 15.2\(5\)ex to before 15.2\(7\)e5 Vulnerable ·Cisco
  • cpe:2.3:h:cisco:cdb-8p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:cdb-8u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ios:15.2\(8\)e:*:*:*:*:*:*:* Versions 15.2(8)e Vulnerable ·Cisco
  • cpe:2.3:h:cisco:cmicr-4pc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:cmicr-4ps:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:cmicr-4pt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Cisco IOS ROMMON Software — 20220413 Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches Vulnerabilities

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2022-05290 Cisco Catalyst Digital Building Series Switches and Cisco Catalyst Micro Switches VulnerabilitiesPriority LOW 30
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-20661
  2. 2026-10-03 Alias added: GHSA-rpx6-495p-fq5g

References

Advisory 1

  • TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
  • TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
See all 617 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences