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CVE-2021-1244

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CVE-2021-1244

Published: Feb 4, 2021

Modified: Nov 8, 2024

PUBLISHED

CVSS v3.1

6.7

MEDIUM

Description

Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

VendorProductVersions

Cisco

Cisco IOS XR Software

affected
n/a

Weaknesses (CWE)

CWE-347

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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