PT-2021-1869 · Cisco · Cisco Data Center Network Manager

Published 2021-01-20 · Updated 2021-01-26 · CVE-2021-1277

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cisco Data Center Network Manager (DCNM) (affected versions not specified)

Description The issue is related to insufficient certificate validation when establishing HTTPS requests with the affected device, allowing an attacker to potentially spoof a trusted host or construct a man-in-the-middle attack. This could enable the extraction of sensitive information or alteration of certain API requests. The vulnerability is associated with errors in the certificate authentication procedure.

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

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

BDU:2021-00638

CVE-2021-1277

Affected Products

Cisco Data Center Network Manager

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1277 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-00638 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1277 · Security Note
• https://t.me/cibsecurity/22448 · Telegram Post