Cisco Data Center Network Manager Authorization Bypass Vulnerability

published 2020-08-26 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-24793

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, remote attacker to bypass authorization on an affected device and access sensitive information that is related to the device. The vulnerability exists because the affected software allows users to access resources that are intended for administrators only. An attacker could exploit this vulnerability by submitting a crafted URL to an affected device. A successful exploit could allow the attacker to add, delete, and edit certain network configurations in the same manner as a user with administrative privileges.

Patch / fix

fixed in 1

cisco data_center_network_manager 11.4\(1\)

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-13)

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

Cisco Cisco Data Center Network Manager

Classification

Weakness

CWE-284 Improper Access Control
CWE-863 Incorrect Authorization

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-auth-bypass-MYeFpFcF
vendor-advisory

Sources

CVE List CVE-2020-3522
NVD CVE-2020-3522

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Summary