PT-2021-6140 · Cisco · Cisco Nx-Os+1

Published 2021-11-02 · Updated 2022-03-07 · CVE-2022-20624

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

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

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

Description A vulnerability in the Cisco Fabric Services over IP (CFSoIP) feature could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This issue is due to insufficient validation of incoming CFSoIP packets. An attacker could exploit this by sending crafted CFSoIP packets to an affected device, potentially causing the device to reload and resulting in a DoS condition.

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

DoS

Resource Exhaustion

RCE

Weakness Enumeration

CWE-400

CWE-20

Related Identifiers

BDU:2022-01005

CVE-2022-20624

Affected Products

Cisco Nx-Os

Cisco Nexus

References · 12

• https://osv.dev/vulnerability/CVE-2022-20624 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cfsoip-dos-tpykyDr · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20624 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/675933 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cfsoip-dos-tpykyDr · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-01005 · Security Note
• https://t.me/cvenotify/27235 · Telegram Post
• https://vuldb.com/ru/?id.193657 · Note
• https://t.me/cibsecurity/37958 · Telegram Post
• https://t.me/cvenotify/27829 · Telegram Post
• https://t.me/true_secator/2670 · Telegram Post
• https://t.me/isacarusec/5086 · Telegram Post