PT-2021-2454 · Cisco · Cisco Ios Xe Sd-Wan+1

Cyrille Chatras · Published 2021-03-24 · Updated 2022-09-20 · CVE-2021-1383

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

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

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

Description: The issue exists due to insufficient input validation of certain CLI commands, allowing an authenticated, local attacker to access the underlying operating system with root privileges. An attacker could exploit this by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to access the underlying operating system with root privileges.

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

Exploit

Argument Injection

RCE

Weakness Enumeration

CWE-88

CWE-20

Related Identifiers

BDU:2021-01819

CVE-2021-1383

GHSA-VW54-F9MW-G46R

Affected Products

Cisco Ios Xe Sd-Wan

Cisco Ios Xe

References · 7

• 🔥 https://github.com/orangecertcc/security-research/security/advisories/GHSA-vw54-f9mw-g46r · Exploit
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwpinj-V4weeqzU · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1383 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1383 · Security Note
• https://bdu.fstec.ru/vul/2021-01819 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwpinj-V4weeqzU · Vendor Advisory
• https://t.me/cvenotify/12293 · Telegram Post