CVE Vulnerabilities

CVE-2021-1442

Insertion of Sensitive Information into Log File

Published: Mar 24, 2021 | Modified: Nov 21, 2024
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.9 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu
root.io logo minimus.io logo echo.ai logo

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.

Weakness

The product writes sensitive information to a log file.

Affected Software

NameVendorStart VersionEnd Version
Ios_xeCisco3.6.3e (including)3.6.3e (including)
Ios_xeCisco3.6.4e (including)3.6.4e (including)
Ios_xeCisco3.6.5ae (including)3.6.5ae (including)
Ios_xeCisco3.6.5be (including)3.6.5be (including)
Ios_xeCisco3.6.5e (including)3.6.5e (including)
Ios_xeCisco3.6.6e (including)3.6.6e (including)
Ios_xeCisco3.6.7ae (including)3.6.7ae (including)
Ios_xeCisco3.6.7be (including)3.6.7be (including)
Ios_xeCisco3.6.7e (including)3.6.7e (including)
Ios_xeCisco3.6.8e (including)3.6.8e (including)
Ios_xeCisco3.6.9ae (including)3.6.9ae (including)
Ios_xeCisco3.6.9e (including)3.6.9e (including)
Ios_xeCisco3.6.10e (including)3.6.10e (including)
Ios_xeCisco3.7.3e (including)3.7.3e (including)
Ios_xeCisco3.7.4e (including)3.7.4e (including)
Ios_xeCisco3.7.5e (including)3.7.5e (including)
Ios_xeCisco3.8.0e (including)3.8.0e (including)
Ios_xeCisco3.8.1e (including)3.8.1e (including)
Ios_xeCisco3.8.2e (including)3.8.2e (including)
Ios_xeCisco3.8.3e (including)3.8.3e (including)
Ios_xeCisco3.8.4e (including)3.8.4e (including)
Ios_xeCisco3.8.5ae (including)3.8.5ae (including)
Ios_xeCisco3.8.5e (including)3.8.5e (including)
Ios_xeCisco3.8.6e (including)3.8.6e (including)
Ios_xeCisco3.8.7e (including)3.8.7e (including)
Ios_xeCisco3.8.8e (including)3.8.8e (including)
Ios_xeCisco3.8.9e (including)3.8.9e (including)
Ios_xeCisco3.8.10e (including)3.8.10e (including)
Ios_xeCisco3.9.0e (including)3.9.0e (including)
Ios_xeCisco3.9.1e (including)3.9.1e (including)
Ios_xeCisco3.9.2be (including)3.9.2be (including)
Ios_xeCisco3.9.2e (including)3.9.2e (including)
Ios_xeCisco3.10.0ce (including)3.10.0ce (including)
Ios_xeCisco3.10.0e (including)3.10.0e (including)
Ios_xeCisco3.10.1ae (including)3.10.1ae (including)
Ios_xeCisco3.10.1e (including)3.10.1e (including)
Ios_xeCisco3.10.1se (including)3.10.1se (including)
Ios_xeCisco3.10.2e (including)3.10.2e (including)
Ios_xeCisco3.10.3e (including)3.10.3e (including)
Ios_xeCisco3.11.0e (including)3.11.0e (including)
Ios_xeCisco3.11.1ae (including)3.11.1ae (including)
Ios_xeCisco3.11.1e (including)3.11.1e (including)
Ios_xeCisco3.11.2ae (including)3.11.2ae (including)
Ios_xeCisco3.11.2e (including)3.11.2e (including)
Ios_xeCisco3.13.8s (including)3.13.8s (including)
Ios_xeCisco3.13.9s (including)3.13.9s (including)
Ios_xeCisco3.13.10s (including)3.13.10s (including)
Ios_xeCisco3.16.0as (including)3.16.0as (including)
Ios_xeCisco3.16.0bs (including)3.16.0bs (including)
Ios_xeCisco3.16.0cs (including)3.16.0cs (including)
Ios_xeCisco3.16.0s (including)3.16.0s (including)
Ios_xeCisco3.16.1as (including)3.16.1as (including)
Ios_xeCisco3.16.1s (including)3.16.1s (including)
Ios_xeCisco3.16.2as (including)3.16.2as (including)
Ios_xeCisco3.16.2bs (including)3.16.2bs (including)
Ios_xeCisco3.16.2s (including)3.16.2s (including)
Ios_xeCisco3.16.3as (including)3.16.3as (including)
Ios_xeCisco3.16.3s (including)3.16.3s (including)
Ios_xeCisco3.16.4as (including)3.16.4as (including)
Ios_xeCisco3.16.4bs (including)3.16.4bs (including)
Ios_xeCisco3.16.4cs (including)3.16.4cs (including)
Ios_xeCisco3.16.4ds (including)3.16.4ds (including)
Ios_xeCisco3.16.4es (including)3.16.4es (including)
Ios_xeCisco3.16.4gs (including)3.16.4gs (including)
Ios_xeCisco3.16.4s (including)3.16.4s (including)
Ios_xeCisco3.16.5as (including)3.16.5as (including)
Ios_xeCisco3.16.5bs (including)3.16.5bs (including)
Ios_xeCisco3.16.5s (including)3.16.5s (including)
Ios_xeCisco3.16.6bs (including)3.16.6bs (including)
Ios_xeCisco3.16.6s (including)3.16.6s (including)
Ios_xeCisco3.16.7as (including)3.16.7as (including)
Ios_xeCisco3.16.7bs (including)3.16.7bs (including)
Ios_xeCisco3.16.7s (including)3.16.7s (including)
Ios_xeCisco3.16.8s (including)3.16.8s (including)
Ios_xeCisco3.16.9s (including)3.16.9s (including)
Ios_xeCisco3.16.10as (including)3.16.10as (including)
Ios_xeCisco3.16.10s (including)3.16.10s (including)
Ios_xeCisco3.17.0s (including)3.17.0s (including)
Ios_xeCisco3.17.1as (including)3.17.1as (including)
Ios_xeCisco3.17.1s (including)3.17.1s (including)
Ios_xeCisco3.17.2s (including)3.17.2s (including)
Ios_xeCisco3.17.3s (including)3.17.3s (including)
Ios_xeCisco3.17.4s (including)3.17.4s (including)
Ios_xeCisco3.18.0as (including)3.18.0as (including)
Ios_xeCisco3.18.0s (including)3.18.0s (including)
Ios_xeCisco3.18.0sp (including)3.18.0sp (including)
Ios_xeCisco3.18.1asp (including)3.18.1asp (including)
Ios_xeCisco3.18.1bsp (including)3.18.1bsp (including)
Ios_xeCisco3.18.1csp (including)3.18.1csp (including)
Ios_xeCisco3.18.1gsp (including)3.18.1gsp (including)
Ios_xeCisco3.18.1hsp (including)3.18.1hsp (including)
Ios_xeCisco3.18.1isp (including)3.18.1isp (including)
Ios_xeCisco3.18.1s (including)3.18.1s (including)
Ios_xeCisco3.18.1sp (including)3.18.1sp (including)
Ios_xeCisco3.18.2asp (including)3.18.2asp (including)
Ios_xeCisco3.18.2s (including)3.18.2s (including)
Ios_xeCisco3.18.2sp (including)3.18.2sp (including)
Ios_xeCisco3.18.3asp (including)3.18.3asp (including)
Ios_xeCisco3.18.3bsp (including)3.18.3bsp (including)
Ios_xeCisco3.18.3s (including)3.18.3s (including)
Ios_xeCisco3.18.3sp (including)3.18.3sp (including)
Ios_xeCisco3.18.4s (including)3.18.4s (including)
Ios_xeCisco3.18.4sp (including)3.18.4sp (including)
Ios_xeCisco3.18.5sp (including)3.18.5sp (including)
Ios_xeCisco3.18.6sp (including)3.18.6sp (including)
Ios_xeCisco3.18.7sp (including)3.18.7sp (including)
Ios_xeCisco3.18.8asp (including)3.18.8asp (including)
Ios_xeCisco3.18.8sp (including)3.18.8sp (including)
Ios_xeCisco16.1.1 (including)16.1.1 (including)
Ios_xeCisco16.1.2 (including)16.1.2 (including)
Ios_xeCisco16.1.3 (including)16.1.3 (including)
Ios_xeCisco16.2.1 (including)16.2.1 (including)
Ios_xeCisco16.2.2 (including)16.2.2 (including)
Ios_xeCisco16.3.1 (including)16.3.1 (including)
Ios_xeCisco16.3.1a (including)16.3.1a (including)
Ios_xeCisco16.3.2 (including)16.3.2 (including)
Ios_xeCisco16.3.3 (including)16.3.3 (including)
Ios_xeCisco16.3.4 (including)16.3.4 (including)
Ios_xeCisco16.3.5 (including)16.3.5 (including)
Ios_xeCisco16.3.5b (including)16.3.5b (including)
Ios_xeCisco16.3.6 (including)16.3.6 (including)
Ios_xeCisco16.3.7 (including)16.3.7 (including)
Ios_xeCisco16.3.8 (including)16.3.8 (including)
Ios_xeCisco16.3.9 (including)16.3.9 (including)
Ios_xeCisco16.3.10 (including)16.3.10 (including)
Ios_xeCisco16.3.11 (including)16.3.11 (including)
Ios_xeCisco16.4.1 (including)16.4.1 (including)
Ios_xeCisco16.4.2 (including)16.4.2 (including)
Ios_xeCisco16.4.3 (including)16.4.3 (including)
Ios_xeCisco16.5.1 (including)16.5.1 (including)
Ios_xeCisco16.5.1a (including)16.5.1a (including)
Ios_xeCisco16.5.1b (including)16.5.1b (including)
Ios_xeCisco16.5.2 (including)16.5.2 (including)
Ios_xeCisco16.5.3 (including)16.5.3 (including)
Ios_xeCisco16.6.1 (including)16.6.1 (including)
Ios_xeCisco16.6.2 (including)16.6.2 (including)
Ios_xeCisco16.6.3 (including)16.6.3 (including)
Ios_xeCisco16.6.4 (including)16.6.4 (including)
Ios_xeCisco16.6.4a (including)16.6.4a (including)
Ios_xeCisco16.6.4s (including)16.6.4s (including)
Ios_xeCisco16.6.5 (including)16.6.5 (including)
Ios_xeCisco16.6.5a (including)16.6.5a (including)
Ios_xeCisco16.6.5b (including)16.6.5b (including)
Ios_xeCisco16.6.6 (including)16.6.6 (including)
Ios_xeCisco16.6.7 (including)16.6.7 (including)
Ios_xeCisco16.6.7a (including)16.6.7a (including)
Ios_xeCisco16.6.8 (including)16.6.8 (including)
Ios_xeCisco16.7.1 (including)16.7.1 (including)
Ios_xeCisco16.7.1a (including)16.7.1a (including)
Ios_xeCisco16.7.1b (including)16.7.1b (including)
Ios_xeCisco16.7.2 (including)16.7.2 (including)
Ios_xeCisco16.7.3 (including)16.7.3 (including)
Ios_xeCisco16.7.4 (including)16.7.4 (including)
Ios_xeCisco16.8.1 (including)16.8.1 (including)
Ios_xeCisco16.8.1a (including)16.8.1a (including)
Ios_xeCisco16.8.1b (including)16.8.1b (including)
Ios_xeCisco16.8.1c (including)16.8.1c (including)
Ios_xeCisco16.8.1d (including)16.8.1d (including)
Ios_xeCisco16.8.1e (including)16.8.1e (including)
Ios_xeCisco16.8.1s (including)16.8.1s (including)
Ios_xeCisco16.8.2 (including)16.8.2 (including)
Ios_xeCisco16.8.3 (including)16.8.3 (including)
Ios_xeCisco16.9.1 (including)16.9.1 (including)
Ios_xeCisco16.9.1a (including)16.9.1a (including)
Ios_xeCisco16.9.1b (including)16.9.1b (including)
Ios_xeCisco16.9.1c (including)16.9.1c (including)
Ios_xeCisco16.9.1d (including)16.9.1d (including)
Ios_xeCisco16.9.1s (including)16.9.1s (including)
Ios_xeCisco16.9.2 (including)16.9.2 (including)
Ios_xeCisco16.9.2a (including)16.9.2a (including)
Ios_xeCisco16.9.2s (including)16.9.2s (including)
Ios_xeCisco16.9.3 (including)16.9.3 (including)
Ios_xeCisco16.9.3a (including)16.9.3a (including)
Ios_xeCisco16.9.3h (including)16.9.3h (including)
Ios_xeCisco16.9.3s (including)16.9.3s (including)
Ios_xeCisco16.9.4 (including)16.9.4 (including)
Ios_xeCisco16.9.4c (including)16.9.4c (including)
Ios_xeCisco16.9.5 (including)16.9.5 (including)
Ios_xeCisco16.9.5f (including)16.9.5f (including)
Ios_xeCisco16.9.6 (including)16.9.6 (including)
Ios_xeCisco16.10.1 (including)16.10.1 (including)
Ios_xeCisco16.10.1a (including)16.10.1a (including)
Ios_xeCisco16.10.1b (including)16.10.1b (including)
Ios_xeCisco16.10.1c (including)16.10.1c (including)
Ios_xeCisco16.10.1d (including)16.10.1d (including)
Ios_xeCisco16.10.1e (including)16.10.1e (including)
Ios_xeCisco16.10.1f (including)16.10.1f (including)
Ios_xeCisco16.10.1g (including)16.10.1g (including)
Ios_xeCisco16.10.1s (including)16.10.1s (including)
Ios_xeCisco16.10.2 (including)16.10.2 (including)
Ios_xeCisco16.10.3 (including)16.10.3 (including)
Ios_xeCisco16.11.1 (including)16.11.1 (including)
Ios_xeCisco16.11.1a (including)16.11.1a (including)
Ios_xeCisco16.11.1b (including)16.11.1b (including)
Ios_xeCisco16.11.1c (including)16.11.1c (including)
Ios_xeCisco16.11.1s (including)16.11.1s (including)
Ios_xeCisco16.11.2 (including)16.11.2 (including)
Ios_xeCisco16.12.1 (including)16.12.1 (including)
Ios_xeCisco16.12.1a (including)16.12.1a (including)
Ios_xeCisco16.12.1c (including)16.12.1c (including)
Ios_xeCisco16.12.1s (including)16.12.1s (including)
Ios_xeCisco16.12.1t (including)16.12.1t (including)
Ios_xeCisco16.12.1w (including)16.12.1w (including)
Ios_xeCisco16.12.1x (including)16.12.1x (including)
Ios_xeCisco16.12.1y (including)16.12.1y (including)
Ios_xeCisco16.12.1z (including)16.12.1z (including)
Ios_xeCisco16.12.2 (including)16.12.2 (including)
Ios_xeCisco16.12.2a (including)16.12.2a (including)
Ios_xeCisco16.12.2s (including)16.12.2s (including)
Ios_xeCisco16.12.2t (including)16.12.2t (including)
Ios_xeCisco16.12.3 (including)16.12.3 (including)
Ios_xeCisco16.12.3a (including)16.12.3a (including)
Ios_xeCisco16.12.3s (including)16.12.3s (including)
Ios_xeCisco16.12.4 (including)16.12.4 (including)
Ios_xeCisco16.12.4a (including)16.12.4a (including)
Ios_xeCisco17.1.1 (including)17.1.1 (including)
Ios_xeCisco17.1.1a (including)17.1.1a (including)
Ios_xeCisco17.1.1s (including)17.1.1s (including)
Ios_xeCisco17.1.1t (including)17.1.1t (including)
Ios_xeCisco17.1.2 (including)17.1.2 (including)
Ios_xeCisco17.2.1 (including)17.2.1 (including)
Ios_xeCisco17.2.1a (including)17.2.1a (including)
Ios_xeCisco17.2.1r (including)17.2.1r (including)
Ios_xeCisco17.2.1v (including)17.2.1v (including)

Potential Mitigations

References