PT-2021-1803 · Cisco · Cisco Data Center Network Manager

Published 2021-01-20 · Updated 2021-01-26 · CVE-2021-1276

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:C/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 errors in the certificate authentication procedure, which could allow a remote attacker to impact data integrity. It is also due to insufficient certificate validation when establishing HTTPS requests with the affected device, potentially enabling an attacker to spoof a trusted host or construct a man-in-the-middle attack to extract sensitive information or alter certain API requests.

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:2021-00556

CVE-2021-1276

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://bdu.fstec.ru/vul/2021-00556 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1276 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1276 · Vendor Advisory
• https://t.me/cvenotify/8790 · Telegram Post