PT-2020-5115 · Cisco · Cisco Ios Xe

Published 2020-09-24 · Updated 2020-09-30 · CVE-2020-3476

Positive Technologies (AI Summary)

CVSS v3.1

6.0

Medium

Base vector

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

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

Description A vulnerability in the CLI implementation of a specific command could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system. The issue is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this by issuing the command with specific parameters, potentially overwriting the content of any arbitrary file on the host file system.

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

Files Accessible to External Parties

Weakness Enumeration

CWE-552

Related Identifiers

BDU:2020-05711

CVE-2020-3476

Affected Products

Cisco Ios Xe

References · 5

• https://bdu.fstec.ru/vul/2020-05711 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-file-overwrite-Ynu5PrJD · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-file-overwrite-Ynu5PrJD · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3476 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3476 · Vendor Advisory