PT-2020-3846 · Cisco · Cisco Ios Xr

Christopher York · Published 2020-09-02 · Updated 2020-09-09 · CVE-2020-3530

Positive Technologies (AI Summary)

CVSS v3.1

8.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software (affected versions not specified)

Description: The issue is related to errors in privilege management in the command-line interface (CLI) of Cisco IOS XR Software. This could allow an authenticated, local attacker with valid credentials on the affected device to execute a specific CLI command that should require administrative privileges. The vulnerability is due to incorrect mapping in the source code of task group assignments for a specific command. A successful exploit could allow the attacker to invalidate the integrity of the disk and cause the device to restart, potentially affecting the availability and integrity of protected information.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Weakness Enumeration

CWE-863

CWE-264

Related Identifiers

BDU:2020-04208

CVE-2020-3530

Affected Products

Cisco Ios Xr

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-3530 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3530 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cli-privescl-sDVEmhqv · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-04208 · Security Note