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CiscoCVE-2021-1381

HistoryMar 24, 2021 - 9:15 p.m.

CVE-2021-1381

2021-03-2421:15:12

CWE-489

cisco

web.nvd.nist.gov

cve-2021-1381

cisco

ios xe

debugging console

vulnerability

command authorization

physical access

nvd

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:P/A:N

CVSS3

6.1

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

29.5%

JSON

A vulnerability in Cisco IOS XE Software could allow an authenticated, local attacker with high privileges or an unauthenticated attacker with physical access to the device to open a debugging console. The vulnerability is due to insufficient command authorization restrictions. An attacker could exploit this vulnerability by running commands on the hardware platform to open a debugging console. A successful exploit could allow the attacker to access a debugging console.

Affected configurations

Nvd

Node

ciscoios_xeMatch16.11.1

ciscoios_xeMatch16.11.1a

ciscoios_xeMatch16.11.1b

ciscoios_xeMatch16.11.1c

ciscoios_xeMatch16.11.1s

ciscoios_xeMatch16.11.2

ciscoios_xeMatch16.12.1

ciscoios_xeMatch16.12.1a

ciscoios_xeMatch16.12.1c

ciscoios_xeMatch16.12.1s

ciscoios_xeMatch16.12.1t

ciscoios_xeMatch16.12.1w

ciscoios_xeMatch16.12.1x

ciscoios_xeMatch16.12.1y

ciscoios_xeMatch16.12.1z

ciscoios_xeMatch16.12.1za

ciscoios_xeMatch16.12.2

ciscoios_xeMatch16.12.2a

ciscoios_xeMatch16.12.2s

ciscoios_xeMatch16.12.2t

ciscoios_xeMatch16.12.3

ciscoios_xeMatch16.12.3a

ciscoios_xeMatch16.12.3s

ciscoios_xeMatch16.12.4

ciscoios_xeMatch16.12.4a

ciscoios_xeMatch17.1.1

ciscoios_xeMatch17.1.1a

ciscoios_xeMatch17.1.1s

ciscoios_xeMatch17.1.1t

ciscoios_xeMatch17.1.2

ciscoios_xeMatch17.2.1

ciscoios_xeMatch17.2.1a

ciscoios_xeMatch17.2.1r

ciscoios_xeMatch17.2.1v

ciscoios_xeMatch17.2.2

ciscoios_xeMatch17.2.3

VendorProductVersionCPE
ciscoios_xe16.11.1cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*
ciscoios_xe16.11.1acpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*
ciscoios_xe16.11.1bcpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*
ciscoios_xe16.11.1ccpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*
ciscoios_xe16.11.1scpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*
ciscoios_xe16.11.2cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*
ciscoios_xe16.12.1cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
ciscoios_xe16.12.1acpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*
ciscoios_xe16.12.1ccpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:*
ciscoios_xe16.12.1scpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	ios_xe	16.11.1	cpe:2.3:o:cisco:ios_xe:16.11.1:::::::*
cisco	ios_xe	16.11.1a	cpe:2.3:o:cisco:ios_xe:16.11.1a:::::::*
cisco	ios_xe	16.11.1b	cpe:2.3:o:cisco:ios_xe:16.11.1b:::::::*
cisco	ios_xe	16.11.1c	cpe:2.3:o:cisco:ios_xe:16.11.1c:::::::*
cisco	ios_xe	16.11.1s	cpe:2.3:o:cisco:ios_xe:16.11.1s:::::::*
cisco	ios_xe	16.11.2	cpe:2.3:o:cisco:ios_xe:16.11.2:::::::*
cisco	ios_xe	16.12.1	cpe:2.3:o:cisco:ios_xe:16.12.1:::::::*
cisco	ios_xe	16.12.1a	cpe:2.3:o:cisco:ios_xe:16.12.1a:::::::*
cisco	ios_xe	16.12.1c	cpe:2.3:o:cisco:ios_xe:16.12.1c:::::::*
cisco	ios_xe	16.12.1s	cpe:2.3:o:cisco:ios_xe:16.12.1s:::::::*

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CNA Affected

[
  {
    "product": "Cisco IOS XE Software",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-XE-BLKH-Ouvrnf2s

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:P/A:N

CVSS3

6.1

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

6.2

Confidence

High

EPSS

0.001

Percentile

29.5%

JSON

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