PT-2021-6139 · Cisco · Cisco Nx-Os+1

Published 2021-11-02 · Updated 2022-03-08 · CVE-2022-20650

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco NX-OS Software (affected versions not specified)

Description A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation of user-supplied data that is sent to the NX-API. An attacker could exploit this vulnerability by sending a crafted HTTP POST request to the NX-API of an affected device. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the underlying operating system. Note that the NX-API feature is disabled by default.

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

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2022-01004

CVE-2022-20650

Affected Products

Cisco Nx-Os

Cisco Nexus

References · 11

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-nxapi-cmdinject-ULukNMZ2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-20650 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/675934 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-20650 · Security Note
• https://bdu.fstec.ru/vul/2022-01004 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-nxapi-cmdinject-ULukNMZ2 · Vendor Advisory
• https://t.me/cvenotify/27233 · Telegram Post
• https://t.me/cibsecurity/37955 · Telegram Post
• https://vuldb.com/ru/?id.193655 · Note
• https://t.me/true_secator/2670 · Telegram Post
• https://t.me/isacarusec/5086 · Telegram Post