Vulnerability Monitor

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CVE-2021-1442

A vulnerability in a diagnostic command for the Plug-and-Play (PnP) subsystem of Cisco IOS XE Software could allow an authenticated, local attacker to elevate privileges to the level of an Administrator user (level 15) on an affected device. The vulnerability is due to insufficient protection of sensitive information. An attacker with low privileges could exploit this vulnerability by issuing the diagnostic CLI show pnp profile when a specific PnP listener is enabled on the device. A successful exploit could allow the attacker to obtain a privileged authentication token. This token can be used to send crafted PnP messages and execute privileged commands on the targeted system.

Published

2021-03-24T20:15:15.133

Last Modified

2024-11-21T05:44:22.433

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.4

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-532
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe 3.6.3e Yes
Operating System cisco ios_xe 3.6.4e Yes
Operating System cisco ios_xe 3.6.5ae Yes
Operating System cisco ios_xe 3.6.5be Yes
Operating System cisco ios_xe 3.6.5e Yes
Operating System cisco ios_xe 3.6.6e Yes
Operating System cisco ios_xe 3.6.7ae Yes
Operating System cisco ios_xe 3.6.7be Yes
Operating System cisco ios_xe 3.6.7e Yes
Operating System cisco ios_xe 3.6.8e Yes
Operating System cisco ios_xe 3.6.9ae Yes
Operating System cisco ios_xe 3.6.9e Yes
Operating System cisco ios_xe 3.6.10e Yes
Operating System cisco ios_xe 3.7.3e Yes
Operating System cisco ios_xe 3.7.4e Yes
Operating System cisco ios_xe 3.7.5e Yes
Operating System cisco ios_xe 3.8.0e Yes
Operating System cisco ios_xe 3.8.1e Yes
Operating System cisco ios_xe 3.8.2e Yes
Operating System cisco ios_xe 3.8.3e Yes
Operating System cisco ios_xe 3.8.4e Yes
Operating System cisco ios_xe 3.8.5ae Yes
Operating System cisco ios_xe 3.8.5e Yes
Operating System cisco ios_xe 3.8.6e Yes
Operating System cisco ios_xe 3.8.7e Yes
Operating System cisco ios_xe 3.8.8e Yes
Operating System cisco ios_xe 3.8.9e Yes
Operating System cisco ios_xe 3.8.10e Yes
Operating System cisco ios_xe 3.9.0e Yes
Operating System cisco ios_xe 3.9.1e Yes
Operating System cisco ios_xe 3.9.2be Yes
Operating System cisco ios_xe 3.9.2e Yes
Operating System cisco ios_xe 3.10.0ce Yes
Operating System cisco ios_xe 3.10.0e Yes
Operating System cisco ios_xe 3.10.1ae Yes
Operating System cisco ios_xe 3.10.1e Yes
Operating System cisco ios_xe 3.10.1se Yes
Operating System cisco ios_xe 3.10.2e Yes
Operating System cisco ios_xe 3.10.3e Yes
Operating System cisco ios_xe 3.11.0e Yes
Operating System cisco ios_xe 3.11.1ae Yes
Operating System cisco ios_xe 3.11.1e Yes
Operating System cisco ios_xe 3.11.2ae Yes
Operating System cisco ios_xe 3.11.2e Yes
Operating System cisco ios_xe 3.13.8s Yes
Operating System cisco ios_xe 3.13.9s Yes
Operating System cisco ios_xe 3.13.10s Yes
Operating System cisco ios_xe 3.16.0as Yes
Operating System cisco ios_xe 3.16.0bs Yes
Operating System cisco ios_xe 3.16.0cs Yes
Operating System cisco ios_xe 3.16.0s Yes
Operating System cisco ios_xe 3.16.1as Yes
Operating System cisco ios_xe 3.16.1s Yes
Operating System cisco ios_xe 3.16.2as Yes
Operating System cisco ios_xe 3.16.2bs Yes
Operating System cisco ios_xe 3.16.2s Yes
Operating System cisco ios_xe 3.16.3as Yes
Operating System cisco ios_xe 3.16.3s Yes
Operating System cisco ios_xe 3.16.4as Yes
Operating System cisco ios_xe 3.16.4bs Yes
Operating System cisco ios_xe 3.16.4cs Yes
Operating System cisco ios_xe 3.16.4ds Yes
Operating System cisco ios_xe 3.16.4es Yes
Operating System cisco ios_xe 3.16.4gs Yes
Operating System cisco ios_xe 3.16.4s Yes
Operating System cisco ios_xe 3.16.5as Yes
Operating System cisco ios_xe 3.16.5bs Yes
Operating System cisco ios_xe 3.16.5s Yes
Operating System cisco ios_xe 3.16.6bs Yes
Operating System cisco ios_xe 3.16.6s Yes
Operating System cisco ios_xe 3.16.7as Yes
Operating System cisco ios_xe 3.16.7bs Yes
Operating System cisco ios_xe 3.16.7s Yes
Operating System cisco ios_xe 3.16.8s Yes
Operating System cisco ios_xe 3.16.9s Yes
Operating System cisco ios_xe 3.16.10as Yes
Operating System cisco ios_xe 3.16.10s Yes
Operating System cisco ios_xe 3.17.0s Yes
Operating System cisco ios_xe 3.17.1as Yes
Operating System cisco ios_xe 3.17.1s Yes
Operating System cisco ios_xe 3.17.2s Yes
Operating System cisco ios_xe 3.17.3s Yes
Operating System cisco ios_xe 3.17.4s Yes
Operating System cisco ios_xe 3.18.0as Yes
Operating System cisco ios_xe 3.18.0s Yes
Operating System cisco ios_xe 3.18.0sp Yes
Operating System cisco ios_xe 3.18.1asp Yes
Operating System cisco ios_xe 3.18.1bsp Yes
Operating System cisco ios_xe 3.18.1csp Yes
Operating System cisco ios_xe 3.18.1gsp Yes
Operating System cisco ios_xe 3.18.1hsp Yes
Operating System cisco ios_xe 3.18.1isp Yes
Operating System cisco ios_xe 3.18.1s Yes
Operating System cisco ios_xe 3.18.1sp Yes
Operating System cisco ios_xe 3.18.2asp Yes
Operating System cisco ios_xe 3.18.2s Yes
Operating System cisco ios_xe 3.18.2sp Yes
Operating System cisco ios_xe 3.18.3asp Yes
Operating System cisco ios_xe 3.18.3bsp Yes
Operating System cisco ios_xe 3.18.3s Yes
Operating System cisco ios_xe 3.18.3sp Yes
Operating System cisco ios_xe 3.18.4s Yes
Operating System cisco ios_xe 3.18.4sp Yes
Operating System cisco ios_xe 3.18.5sp Yes
Operating System cisco ios_xe 3.18.6sp Yes
Operating System cisco ios_xe 3.18.7sp Yes
Operating System cisco ios_xe 3.18.8asp Yes
Operating System cisco ios_xe 3.18.8sp Yes
Operating System cisco ios_xe 16.1.1 Yes
Operating System cisco ios_xe 16.1.2 Yes
Operating System cisco ios_xe 16.1.3 Yes
Operating System cisco ios_xe 16.2.1 Yes
Operating System cisco ios_xe 16.2.2 Yes
Operating System cisco ios_xe 16.3.1 Yes
Operating System cisco ios_xe 16.3.1a Yes
Operating System cisco ios_xe 16.3.2 Yes
Operating System cisco ios_xe 16.3.3 Yes
Operating System cisco ios_xe 16.3.4 Yes
Operating System cisco ios_xe 16.3.5 Yes
Operating System cisco ios_xe 16.3.5b Yes
Operating System cisco ios_xe 16.3.6 Yes
Operating System cisco ios_xe 16.3.7 Yes
Operating System cisco ios_xe 16.3.8 Yes
Operating System cisco ios_xe 16.3.9 Yes
Operating System cisco ios_xe 16.3.10 Yes
Operating System cisco ios_xe 16.3.11 Yes
Operating System cisco ios_xe 16.4.1 Yes
Operating System cisco ios_xe 16.4.2 Yes
Operating System cisco ios_xe 16.4.3 Yes
Operating System cisco ios_xe 16.5.1 Yes
Operating System cisco ios_xe 16.5.1a Yes
Operating System cisco ios_xe 16.5.1b Yes
Operating System cisco ios_xe 16.5.2 Yes
Operating System cisco ios_xe 16.5.3 Yes
Operating System cisco ios_xe 16.6.1 Yes
Operating System cisco ios_xe 16.6.2 Yes
Operating System cisco ios_xe 16.6.3 Yes
Operating System cisco ios_xe 16.6.4 Yes
Operating System cisco ios_xe 16.6.4a Yes
Operating System cisco ios_xe 16.6.4s Yes
Operating System cisco ios_xe 16.6.5 Yes
Operating System cisco ios_xe 16.6.5a Yes
Operating System cisco ios_xe 16.6.5b Yes
Operating System cisco ios_xe 16.6.6 Yes
Operating System cisco ios_xe 16.6.7 Yes
Operating System cisco ios_xe 16.6.7a Yes
Operating System cisco ios_xe 16.6.8 Yes
Operating System cisco ios_xe 16.7.1 Yes
Operating System cisco ios_xe 16.7.1a Yes
Operating System cisco ios_xe 16.7.1b Yes
Operating System cisco ios_xe 16.7.2 Yes
Operating System cisco ios_xe 16.7.3 Yes
Operating System cisco ios_xe 16.7.4 Yes
Operating System cisco ios_xe 16.8.1 Yes
Operating System cisco ios_xe 16.8.1a Yes
Operating System cisco ios_xe 16.8.1b Yes
Operating System cisco ios_xe 16.8.1c Yes
Operating System cisco ios_xe 16.8.1d Yes
Operating System cisco ios_xe 16.8.1e Yes
Operating System cisco ios_xe 16.8.1s Yes
Operating System cisco ios_xe 16.8.2 Yes
Operating System cisco ios_xe 16.8.3 Yes
Operating System cisco ios_xe 16.9.1 Yes
Operating System cisco ios_xe 16.9.1a Yes
Operating System cisco ios_xe 16.9.1b Yes
Operating System cisco ios_xe 16.9.1c Yes
Operating System cisco ios_xe 16.9.1d Yes
Operating System cisco ios_xe 16.9.1s Yes
Operating System cisco ios_xe 16.9.2 Yes
Operating System cisco ios_xe 16.9.2a Yes
Operating System cisco ios_xe 16.9.2s Yes
Operating System cisco ios_xe 16.9.3 Yes
Operating System cisco ios_xe 16.9.3a Yes
Operating System cisco ios_xe 16.9.3h Yes
Operating System cisco ios_xe 16.9.3s Yes
Operating System cisco ios_xe 16.9.4 Yes
Operating System cisco ios_xe 16.9.4c Yes
Operating System cisco ios_xe 16.9.5 Yes
Operating System cisco ios_xe 16.9.5f Yes
Operating System cisco ios_xe 16.9.6 Yes
Operating System cisco ios_xe 16.10.1 Yes
Operating System cisco ios_xe 16.10.1a Yes
Operating System cisco ios_xe 16.10.1b Yes
Operating System cisco ios_xe 16.10.1c Yes
Operating System cisco ios_xe 16.10.1d Yes
Operating System cisco ios_xe 16.10.1e Yes
Operating System cisco ios_xe 16.10.1f Yes
Operating System cisco ios_xe 16.10.1g Yes
Operating System cisco ios_xe 16.10.1s Yes
Operating System cisco ios_xe 16.10.2 Yes
Operating System cisco ios_xe 16.10.3 Yes
Operating System cisco ios_xe 16.11.1 Yes
Operating System cisco ios_xe 16.11.1a Yes
Operating System cisco ios_xe 16.11.1b Yes
Operating System cisco ios_xe 16.11.1c Yes
Operating System cisco ios_xe 16.11.1s Yes
Operating System cisco ios_xe 16.11.2 Yes
Operating System cisco ios_xe 16.12.1 Yes
Operating System cisco ios_xe 16.12.1a Yes
Operating System cisco ios_xe 16.12.1c Yes
Operating System cisco ios_xe 16.12.1s Yes
Operating System cisco ios_xe 16.12.1t Yes
Operating System cisco ios_xe 16.12.1w Yes
Operating System cisco ios_xe 16.12.1x Yes
Operating System cisco ios_xe 16.12.1y Yes
Operating System cisco ios_xe 16.12.1z Yes
Operating System cisco ios_xe 16.12.2 Yes
Operating System cisco ios_xe 16.12.2a Yes
Operating System cisco ios_xe 16.12.2s Yes
Operating System cisco ios_xe 16.12.2t Yes
Operating System cisco ios_xe 16.12.3 Yes
Operating System cisco ios_xe 16.12.3a Yes
Operating System cisco ios_xe 16.12.3s Yes
Operating System cisco ios_xe 16.12.4 Yes
Operating System cisco ios_xe 16.12.4a Yes
Operating System cisco ios_xe 17.1.1 Yes
Operating System cisco ios_xe 17.1.1a Yes
Operating System cisco ios_xe 17.1.1s Yes
Operating System cisco ios_xe 17.1.1t Yes
Operating System cisco ios_xe 17.1.2 Yes
Operating System cisco ios_xe 17.2.1 Yes
Operating System cisco ios_xe 17.2.1a Yes
Operating System cisco ios_xe 17.2.1r Yes
Operating System cisco ios_xe 17.2.1v Yes
References