PT-2021-2493 · Cisco · Cisco Ios Xe Sd-Wan+1

Published 2021-03-24 · Updated 2021-03-29 · CVE-2021-1434

Positive Technologies (AI Summary)

CVSS v2.0

6.6

Medium

Base vector

AV:L/AC:L/Au:N/C:N/I:C/A:C

Name of the Vulnerable Software and Affected Versions: Cisco IOS XE SD-WAN Software (affected versions not specified)

Description: A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This issue is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters, potentially allowing them to overwrite the content of any arbitrary file on the underlying host file system.

Recommendations: For all affected versions, update to the latest software version that addresses this vulnerability, as provided by Cisco. At the moment, there is no information about specific workarounds that address this vulnerability.

Fix

Files Accessible to External Parties

Weakness Enumeration

CWE-552

Related Identifiers

BDU:2021-01869

CVE-2021-1434

Affected Products

Cisco Ios Xe Sd-Wan

Cisco Ios Xe

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-1434 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-arbfile-FUxskKDE · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1434 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01869 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-arbfile-FUxskKDE · Vendor Advisory