PT-2020-4429 · Cisco · Cisco Ios Xe

Published 2020-09-24 · Updated 2024-12-19 · CVE-2020-3503

Positive Technologies (AI Summary)

CVSS v2.0

6.2

Medium

Base vector

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

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

Description: A vulnerability in the file system permissions of Cisco IOS XE Software could allow an authenticated, local attacker to obtain read and write access to critical configuration or system files. The vulnerability is due to insufficient file system permissions on an affected device. An attacker could exploit this vulnerability by connecting to an affected device's guest shell, and accessing or modifying restricted files. A successful exploit could allow the attacker to view or modify restricted information or configurations that are normally not accessible to system administrators.

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

Improper Access Control

Incorrect Permission

Weakness Enumeration

CWE-284

CWE-732

Related Identifiers

BDU:2020-04958

CVE-2020-3503

Affected Products

Cisco Ios Xe

References · 6

• https://bdu.fstec.ru/vul/2020-04958 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unauth-file-access-eBTWkKVW · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-3503 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3503 · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unauth-file-access-eBTWkKVW · Vendor Advisory
• https://t.me/cvenotify/104876 · Telegram Post