CVE-2021-1391

Cisco IOS and IOS XE Software Privilege Escalation Vulnerability

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.

Category

5.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-1391?
CVE-2021-1391 has been scored as a medium severity vulnerability.
How to fix CVE-2021-1391?
To fix CVE-2021-1391, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-1391 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-1391 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-1391?
CVE-2021-1391 affects Cisco Cisco IOS.
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