CVE-2021-1391

MEDIUM

Cisco IOS XE - Privilege Escalation

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 5.1
EPSS 0.0004
EPSS Percentile 12.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-489
Status published
Products (50)
cisco/ios 12.2\(6\)i1
cisco/ios 15.0\(2\)se13a
cisco/ios 15.1\(3\)svr1
cisco/ios 15.1\(3\)svr2
cisco/ios 15.1\(3\)svr3
cisco/ios 15.1\(3\)svs
cisco/ios 15.1\(3\)svs1
cisco/ios 15.2\(4\)ea10
cisco/ios 15.2\(5\)e
cisco/ios 15.2\(5\)e1
... and 40 more
Published Mar 24, 2021
Tracked Since Feb 18, 2026