CVE Vulnerabilities

CVE-2021-1391

Active Debug Code

Published: Mar 24, 2021 | Modified: Nov 21, 2024
CVSS 3.x
6.7
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.2 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
RedHat/V2
RedHat/V3
Ubuntu

A vulnerability in the dragonite debugger of Cisco IOS XE Software could allow an authenticated, local attacker to escalate from privilege level 15 to root privilege. The vulnerability is due to the presence of development testing and verification scripts that remained on the device. An attacker could exploit this vulnerability by bypassing the consent token mechanism with the residual scripts on the affected device. A successful exploit could allow the attacker to escalate from privilege level 15 to root privilege.

Weakness

The product is deployed to unauthorized actors with debugging code still enabled or active, which can create unintended entry points or expose sensitive information.

Affected Software

Name Vendor Start Version End Version
Ios Cisco 12.2(6)i1 (including) 12.2(6)i1 (including)
Ios Cisco 15.0(2)se13a (including) 15.0(2)se13a (including)
Ios Cisco 15.1(3)svr1 (including) 15.1(3)svr1 (including)
Ios Cisco 15.1(3)svr2 (including) 15.1(3)svr2 (including)
Ios Cisco 15.1(3)svr3 (including) 15.1(3)svr3 (including)
Ios Cisco 15.1(3)svs (including) 15.1(3)svs (including)
Ios Cisco 15.1(3)svs1 (including) 15.1(3)svs1 (including)
Ios Cisco 15.2(4)ea10 (including) 15.2(4)ea10 (including)
Ios Cisco 15.2(5)e (including) 15.2(5)e (including)
Ios Cisco 15.2(5)e1 (including) 15.2(5)e1 (including)
Ios Cisco 15.2(5)e2 (including) 15.2(5)e2 (including)
Ios Cisco 15.2(5)e2b (including) 15.2(5)e2b (including)
Ios Cisco 15.2(5)e2c (including) 15.2(5)e2c (including)
Ios Cisco 15.2(5)ea (including) 15.2(5)ea (including)
Ios Cisco 15.2(5)ex (including) 15.2(5)ex (including)
Ios Cisco 15.2(5a)e (including) 15.2(5a)e (including)
Ios Cisco 15.2(5a)e1 (including) 15.2(5a)e1 (including)
Ios Cisco 15.2(5b)e (including) 15.2(5b)e (including)
Ios Cisco 15.2(5c)e (including) 15.2(5c)e (including)
Ios Cisco 15.2(6)e (including) 15.2(6)e (including)
Ios Cisco 15.2(6)e0a (including) 15.2(6)e0a (including)
Ios Cisco 15.2(6)e0c (including) 15.2(6)e0c (including)
Ios Cisco 15.2(6)e1 (including) 15.2(6)e1 (including)
Ios Cisco 15.2(6)e1a (including) 15.2(6)e1a (including)
Ios Cisco 15.2(6)e1s (including) 15.2(6)e1s (including)
Ios Cisco 15.2(6)e2 (including) 15.2(6)e2 (including)
Ios Cisco 15.2(6)e2a (including) 15.2(6)e2a (including)
Ios Cisco 15.2(6)e2b (including) 15.2(6)e2b (including)
Ios Cisco 15.2(6)e3 (including) 15.2(6)e3 (including)
Ios Cisco 15.2(6)eb (including) 15.2(6)eb (including)
Ios Cisco 15.2(7)e (including) 15.2(7)e (including)
Ios Cisco 15.2(7)e0a (including) 15.2(7)e0a (including)
Ios Cisco 15.2(7)e0b (including) 15.2(7)e0b (including)
Ios Cisco 15.2(7)e0s (including) 15.2(7)e0s (including)
Ios Cisco 15.2(7)e1 (including) 15.2(7)e1 (including)
Ios Cisco 15.2(7)e1a (including) 15.2(7)e1a (including)
Ios Cisco 15.2(7)e2 (including) 15.2(7)e2 (including)
Ios Cisco 15.2(7)e2a (including) 15.2(7)e2a (including)
Ios Cisco 15.2(7)e2b (including) 15.2(7)e2b (including)
Ios Cisco 15.2(7)e3 (including) 15.2(7)e3 (including)
Ios Cisco 15.2(7)e3k (including) 15.2(7)e3k (including)
Ios Cisco 15.2(7a)e0b (including) 15.2(7a)e0b (including)
Ios Cisco 15.2(7b)e0b (including) 15.2(7b)e0b (including)
Ios Cisco 15.3(3)jf13 (including) 15.3(3)jf13 (including)
Ios_xe Cisco 3.9.0e (including) 3.9.0e (including)
Ios_xe Cisco 3.9.1e (including) 3.9.1e (including)
Ios_xe Cisco 3.9.2be (including) 3.9.2be (including)
Ios_xe Cisco 3.9.2e (including) 3.9.2e (including)
Ios_xe Cisco 3.10.0ce (including) 3.10.0ce (including)
Ios_xe Cisco 3.10.0e (including) 3.10.0e (including)
Ios_xe Cisco 3.10.1ae (including) 3.10.1ae (including)
Ios_xe Cisco 3.10.1e (including) 3.10.1e (including)
Ios_xe Cisco 3.10.1se (including) 3.10.1se (including)
Ios_xe Cisco 3.10.2e (including) 3.10.2e (including)
Ios_xe Cisco 3.10.3e (including) 3.10.3e (including)
Ios_xe Cisco 3.11.0e (including) 3.11.0e (including)
Ios_xe Cisco 3.11.1ae (including) 3.11.1ae (including)
Ios_xe Cisco 3.11.1e (including) 3.11.1e (including)
Ios_xe Cisco 3.11.2ae (including) 3.11.2ae (including)
Ios_xe Cisco 3.11.2e (including) 3.11.2e (including)
Ios_xe Cisco 3.11.3ae (including) 3.11.3ae (including)
Ios_xe Cisco 3.11.3e (including) 3.11.3e (including)
Ios_xe Cisco 16.8.1 (including) 16.8.1 (including)
Ios_xe Cisco 16.8.1a (including) 16.8.1a (including)
Ios_xe Cisco 16.8.1b (including) 16.8.1b (including)
Ios_xe Cisco 16.8.1c (including) 16.8.1c (including)
Ios_xe Cisco 16.8.1d (including) 16.8.1d (including)
Ios_xe Cisco 16.8.1e (including) 16.8.1e (including)
Ios_xe Cisco 16.8.1s (including) 16.8.1s (including)
Ios_xe Cisco 16.8.2 (including) 16.8.2 (including)
Ios_xe Cisco 16.8.3 (including) 16.8.3 (including)
Ios_xe Cisco 16.9.1 (including) 16.9.1 (including)
Ios_xe Cisco 16.9.1a (including) 16.9.1a (including)
Ios_xe Cisco 16.9.1b (including) 16.9.1b (including)
Ios_xe Cisco 16.9.1c (including) 16.9.1c (including)
Ios_xe Cisco 16.9.1d (including) 16.9.1d (including)
Ios_xe Cisco 16.9.1s (including) 16.9.1s (including)
Ios_xe Cisco 16.9.2 (including) 16.9.2 (including)
Ios_xe Cisco 16.9.2a (including) 16.9.2a (including)
Ios_xe Cisco 16.9.2s (including) 16.9.2s (including)
Ios_xe Cisco 16.9.3 (including) 16.9.3 (including)
Ios_xe Cisco 16.9.3a (including) 16.9.3a (including)
Ios_xe Cisco 16.9.3h (including) 16.9.3h (including)
Ios_xe Cisco 16.9.3s (including) 16.9.3s (including)
Ios_xe Cisco 16.9.4 (including) 16.9.4 (including)
Ios_xe Cisco 16.9.4c (including) 16.9.4c (including)
Ios_xe Cisco 16.9.5 (including) 16.9.5 (including)
Ios_xe Cisco 16.9.5f (including) 16.9.5f (including)
Ios_xe Cisco 16.9.6 (including) 16.9.6 (including)
Ios_xe Cisco 16.10.1 (including) 16.10.1 (including)
Ios_xe Cisco 16.10.1a (including) 16.10.1a (including)
Ios_xe Cisco 16.10.1b (including) 16.10.1b (including)
Ios_xe Cisco 16.10.1c (including) 16.10.1c (including)
Ios_xe Cisco 16.10.1d (including) 16.10.1d (including)
Ios_xe Cisco 16.10.1e (including) 16.10.1e (including)
Ios_xe Cisco 16.10.1f (including) 16.10.1f (including)
Ios_xe Cisco 16.10.1g (including) 16.10.1g (including)
Ios_xe Cisco 16.10.1s (including) 16.10.1s (including)
Ios_xe Cisco 16.10.2 (including) 16.10.2 (including)
Ios_xe Cisco 16.10.3 (including) 16.10.3 (including)
Ios_xe Cisco 16.11.1 (including) 16.11.1 (including)
Ios_xe Cisco 16.11.1a (including) 16.11.1a (including)
Ios_xe Cisco 16.11.1b (including) 16.11.1b (including)
Ios_xe Cisco 16.11.1c (including) 16.11.1c (including)
Ios_xe Cisco 16.11.1s (including) 16.11.1s (including)
Ios_xe Cisco 16.11.2 (including) 16.11.2 (including)
Ios_xe Cisco 16.12.1 (including) 16.12.1 (including)
Ios_xe Cisco 16.12.1a (including) 16.12.1a (including)
Ios_xe Cisco 16.12.1c (including) 16.12.1c (including)
Ios_xe Cisco 16.12.1s (including) 16.12.1s (including)
Ios_xe Cisco 16.12.1t (including) 16.12.1t (including)
Ios_xe Cisco 16.12.1w (including) 16.12.1w (including)
Ios_xe Cisco 16.12.1x (including) 16.12.1x (including)
Ios_xe Cisco 16.12.1y (including) 16.12.1y (including)
Ios_xe Cisco 16.12.1z (including) 16.12.1z (including)
Ios_xe Cisco 16.12.1za (including) 16.12.1za (including)
Ios_xe Cisco 16.12.2 (including) 16.12.2 (including)
Ios_xe Cisco 16.12.2a (including) 16.12.2a (including)
Ios_xe Cisco 16.12.2s (including) 16.12.2s (including)
Ios_xe Cisco 16.12.2t (including) 16.12.2t (including)
Ios_xe Cisco 16.12.3 (including) 16.12.3 (including)
Ios_xe Cisco 16.12.3a (including) 16.12.3a (including)
Ios_xe Cisco 16.12.3s (including) 16.12.3s (including)
Ios_xe Cisco 17.1.1 (including) 17.1.1 (including)
Ios_xe Cisco 17.1.1a (including) 17.1.1a (including)
Ios_xe Cisco 17.1.1s (including) 17.1.1s (including)
Ios_xe Cisco 17.1.1t (including) 17.1.1t (including)
Ios_xe Cisco 17.1.2 (including) 17.1.2 (including)
Ios_xe Cisco 17.2.1 (including) 17.2.1 (including)
Ios_xe Cisco 17.2.1a (including) 17.2.1a (including)
Ios_xe Cisco 17.2.1r (including) 17.2.1r (including)
Ios_xe Cisco 17.2.1v (including) 17.2.1v (including)
Ios_xe Cisco 17.2.2 (including) 17.2.2 (including)
Ios_xe Cisco 17.2.3 (including) 17.2.3 (including)

Potential Mitigations

References