CWE
538
Advisory Published
Updated

CVE-2022-20864: Cisco IOS XE ROM Monitor Software for Catalyst Switches Information Disclosure Vulnerability

First published: Mon Oct 10 2022(Updated: )

A vulnerability in the password-recovery disable feature of Cisco IOS XE ROM Monitor (ROMMON) Software for Cisco Catalyst Switches could allow an unauthenticated, local attacker to recover the configuration or reset the enable password. This vulnerability is due to a problem with the file and boot variable permissions in ROMMON. An attacker could exploit this vulnerability by rebooting the switch into ROMMON and entering specific commands through the console. A successful exploit could allow the attacker to read any file or reset the enable password.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE ROM Monitor
Cisco Catalyst 3650
Cisco Catalyst 3650-12X48FD-E
Cisco Catalyst 3650-12x48FD-L
Cisco Catalyst 3650-12x48FD-S
Cisco Catalyst 3650-12x48UQ
Cisco Catalyst 3650-12x48UQ-E
Cisco Catalyst 3650-12X48UQ-L
Cisco Catalyst 3650-12x48UQ-S
Cisco Catalyst 3650-12x48UR
Cisco Catalyst 3650-12X48UR-E
Cisco Catalyst 3650-12X48UR-L
Cisco Catalyst 3650-12x48ur-s
Cisco Catalyst 3650-12X48UZ
Cisco Catalyst 3650-12x48UZ-E
Cisco Catalyst 3650-12x48UZ-L
Cisco Catalyst 3650-12x48uz-s
Cisco Catalyst 3650 24 Port PoE Switch (WS-C3650-24PD)
Cisco Catalyst 3650-24PD-E
Cisco Catalyst 3650-24PD-L
Cisco Catalyst 3650-24PD-S
Cisco Catalyst 3650-24PDM
Cisco Catalyst 3650-24PDM-E
Cisco Catalyst 3650-24PDM-L
Cisco Catalyst 3650-24PDM-S
Cisco Catalyst 3650-24PS-E
Cisco Catalyst 3650-24PS-L
Cisco Catalyst 3650-24PS-S
Cisco Catalyst 3650-24TD-E
Cisco Catalyst 3650-24TD-L
Cisco Catalyst 3650-24TD Switch
Cisco Catalyst 3650-24TS-E
Cisco Catalyst 3650-24TS-L
Cisco Catalyst 3650-24TS-S
Cisco Catalyst 3650-48FD-E
Cisco Catalyst 3650-48FD-L
Cisco Catalyst 3650-48FD-S
Cisco Catalyst 3650-48FQ
Cisco Catalyst 3650-48FQ-E
Cisco Catalyst 3650-48FQ-L
Cisco Catalyst 3650-48FQ-S
Cisco Catalyst 3650-48FQM Switch
Cisco Catalyst 3650-48FQM Switch
Cisco Catalyst 3650-48FQM Switch
Cisco Catalyst 3650-48FQM Switch
Cisco Catalyst 3650-48FS-E
Cisco Catalyst 3650 Series Switch WS-C3650-48FS
Cisco Catalyst 3650 Series Switch WS-C3650-48FS
Cisco Catalyst 3650-48PD-E
Cisco Catalyst 3650-48PD-L
Cisco Catalyst 3650-48PD-S
Cisco Catalyst 3650-48PQ-E
Cisco Catalyst 3650-48PQ-L
Cisco Catalyst 3650-48PQ-S
Cisco Catalyst 3650-48PS-E
Cisco Catalyst 3650-48PS-L
Cisco Catalyst 3650-48PS-S
Cisco Catalyst 3650-48TD-E
Cisco Catalyst 3650-48TD-L
Cisco Catalyst 3650-48TD-S
Cisco Catalyst 3650-48TQ-E
Cisco Catalyst 3650-48TQ-L
Cisco Catalyst 3650-48TQ-S
Cisco Catalyst 3650-48TS Switch
Cisco Catalyst 3650-48TS Switch
Cisco Catalyst 3650-48TS Switch
Cisco Catalyst 3650-8x24PD-E
Cisco Catalyst 3650-8x24PD-L
Cisco Catalyst 3650-8x24PD-S
Cisco Catalyst 3650-8X24UQ
Cisco Catalyst 3650-8x24UQ-E
Cisco Catalyst 3650-8X24UQ
Cisco Catalyst 3650-8X24UQ
Cisco Catalyst 3850
Cisco Catalyst 3850-12S-E
Cisco Catalyst 3850-12S-S
Cisco Catalyst 3850-12X48U-E
Cisco Catalyst 3850-12XS-E
Cisco Catalyst 3850-12XS-S
Cisco Catalyst 3850-16XS-E
Cisco Catalyst 3850-16XS-S
Cisco Catalyst 3850-24P-E
Cisco Catalyst 3850-24P-L
Cisco Catalyst 3850-24P-S
Cisco Catalyst 3850-24PW-S
Cisco Catalyst 3850-24S-E
Cisco Catalyst 3850-24S-S
Cisco Catalyst 3850-24T-E
Cisco Catalyst 3850-24T-L
Cisco Catalyst 3850-24T-S
Cisco Catalyst 3850-24U
Cisco Catalyst 3850-24U-E
Cisco Catalyst 3850-24U-L
Cisco Catalyst 3850-24U-S
Cisco Catalyst 3850-24XS
Cisco Catalyst 3850-24XS-E
Cisco Catalyst 3850-24XS-S
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-24XU
Cisco Catalyst 3850-32XS-E
Cisco Catalyst 3850-32XS-S
Cisco Catalyst 3850-48F-E
Cisco Catalyst 3850-48F-L
Cisco Catalyst 3850-48F-S
Cisco Catalyst 3850-48P-E
Cisco Catalyst 3850-48P-L
Cisco Catalyst 3850-48P-S
Cisco Catalyst 3850-48PW-S
Cisco Catalyst 3850-48T-E
Cisco Catalyst 3850-48T-L
Cisco Catalyst 3850-48T-S
Cisco Catalyst 3850-48U
Cisco Catalyst 3850-48U-E
Cisco Catalyst 3850-48U
Cisco Catalyst 3850-48U-S
Cisco Catalyst 3850-48XS
Cisco Catalyst 3850-48XS-E
Cisco Catalyst 3850-48XS
Cisco Catalyst 3850-48XS
Cisco Catalyst 3850-48XS-S
Cisco Catalyst 3850-NM-2-40G
Cisco Catalyst 3850-NM-8-10G
Cisco Catalyst 9200CX
Cisco Catalyst 9200CX
Cisco Catalyst 9200 Series
Cisco Catalyst 9300 Series
Cisco Catalyst C9300-24P
Cisco Catalyst C9300-24P
Cisco Catalyst 9300 Series
Cisco Catalyst 9300 Series
Cisco Catalyst C9300-24T
Cisco Catalyst C9300-24T
Cisco Catalyst C9300-24U
Cisco Catalyst C9300-24U
Cisco Catalyst 9300-24UX-A
Cisco Catalyst 9300-24UX-E
Cisco Catalyst 9300-48P-A
Cisco Catalyst 9300-48P-E
Cisco Catalyst 9300 Series
Cisco Catalyst 9300 Series
Cisco Catalyst 9300-48T-A
Cisco Catalyst 9300-48T-E
Cisco Catalyst 9300-48U-A
Cisco Catalyst 9300-48U-E
Cisco Catalyst C9300 Series
Cisco Catalyst 9300-48U-E
Cisco Catalyst 9300-48UXM-A
Cisco Catalyst 9300-48UXM-E
Cisco Catalyst 9300L Stack
Cisco Catalyst C9300L-24P-4G
Cisco Catalyst C9300L-24P-4G
Cisco Catalyst 9300L-24P-4X-A
Cisco Catalyst 9300L-24P-4X-E
Cisco Catalyst 9300L-24T-4G
Cisco Catalyst 9300L-24T-4G
Cisco Catalyst 9300L-24T-4X-A
Cisco Catalyst 9300L-24T-4X-E
Cisco Catalyst C9300L-48P-4G
Cisco Catalyst C9300L-48P-4G
Cisco Catalyst C9300L-48P-4X
Cisco Catalyst C9300L-48P-4X
Cisco Catalyst C9300L-48T-4G
Cisco Catalyst C9300L-48T-4G
Cisco Catalyst C9300L-48T-4X
Cisco Catalyst C9300L-48T-4X
Cisco Catalyst 9300L Stack
Cisco Catalyst 9300 Series
Cisco Catalyst 9300X
Cisco Catalyst 9400
Cisco Catalyst C9407R
Cisco Catalyst C9410R
Cisco Catalyst 9500 Series
Cisco Catalyst 9500H
Cisco Catalyst 9600
Cisco Catalyst 9600
Cisco Catalyst c2928-24lt-c
Cisco Catalyst c2928-48tc-c
Cisco Catalyst 3850-12X48U-E
Cisco Catalyst C3850-12X48U-L
Cisco Catalyst 3850-12X48U-S
Cisco Catalyst C9200-24P
Cisco Catalyst C9200-24T
Cisco Catalyst C9200-48P
Cisco Catalyst C9200-48T
Cisco Catalyst C9200L-24P-4G
Cisco Catalyst C9200L-24P-4X
Cisco catalyst c9200l-24pxg-2y
Cisco Catalyst C9200L-24PXG-4X
Cisco Catalyst C9200L-24T-4G
Cisco Catalyst C9200L-24T-4X
Cisco Catalyst C9200L-48P-4G
Cisco Catalyst C9200L-48P-4X
Cisco Catalyst C9200L-48PXG-2Y
Cisco Catalyst C9200L-48PXG-4X
Cisco Catalyst C9200L-48T-4G
Cisco Catalyst C9200L-48T-4X
Cisco Catalyst C9300-24P
Cisco Catalyst C9300-24S
Cisco Catalyst 9300-24T-A
Cisco Catalyst C9300-24U
Cisco Catalyst C9300-24UX
Cisco Catalyst C9300-48P
Cisco Catalyst C9300-48S
Cisco Catalyst C9300-48T
Cisco Catalyst 9300-48U
Cisco Catalyst C9300 Series
Cisco Catalyst C9300-48UXM
Cisco Catalyst C9300L-24P-4G
Cisco Catalyst C9300L-24P-4X
Cisco Catalyst 9300L-24T-4G
Cisco Catalyst C9300L-24T-4X
Cisco Catalyst C9300L-48P-4G
Cisco Catalyst C9300L-48P-4X
Cisco Catalyst C9300L-48T-4G
Cisco Catalyst C9300L-48T-4X
Cisco Catalyst C9404R
Cisco Catalyst C9407R
Cisco Catalyst C9410R
Cisco Catalyst 9500
Cisco Catalyst C9500-12Q-A
Cisco Catalyst 9500
Cisco Catalyst 9500 Series
Cisco Catalyst C9500-16X-A
Cisco Catalyst 9500 Series
Cisco Catalyst C9500-24Q
Cisco Catalyst C9500-24Q-A
Cisco Catalyst C9500-24Q-E
Cisco Catalyst C9500-24Y4C
Cisco Catalyst C9500-32C
Cisco Catalyst C9500-32QC
Cisco Catalyst 9500-40X-E
Cisco Catalyst 9500-40X-A
Cisco Catalyst 9500-40X-E
Cisco Catalyst C9500-48Y4C
Cisco Catalyst c9600-lc-24c
Cisco Catalyst 9600
Cisco Catalyst c9600-lc-48tx
Cisco Catalyst c9600-lc-48yl

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Frequently Asked Questions

  • What is the severity of CVE-2022-20864?

    CVE-2022-20864 has been assigned a severity rating of high due to its potential to allow unauthorized configuration recovery.

  • How do I fix CVE-2022-20864?

    To fix CVE-2022-20864, upgrade the Cisco IOS XE ROMMON Software to the latest version provided by Cisco.

  • Who is affected by CVE-2022-20864?

    CVE-2022-20864 affects Cisco Catalyst Switches with IOS XE ROMMON Software, particularly models like the Catalyst 3650 and 3850.

  • Can CVE-2022-20864 be exploited remotely?

    No, CVE-2022-20864 requires local access for an attacker to take advantage of the vulnerability.

  • What impact does CVE-2022-20864 have on organizations?

    Organizations may face unauthorized access to configurations or password resets, which could compromise network security.

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