Cisco Data Center Network Manager Authentication Bypass Vulnerabilities

published 2020-01-06 6y ago modified 2026-06-17 4mo ago also EUVD-2019-6871

cvss: 9.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 38.1%; EPSS 38.1% chance of exploitation in 30 days, percentile 98%
public exploits: 1; Exploit-DB

Multiple vulnerabilities in the authentication mechanisms of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrative privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Patch / fix

fixed in 1

cisco data_center_network_manager 11.3\(1\)

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Timeline

2020-01-06 Published
2020-02-06 First public exploit (EDB-48020)

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: last yr. (2024-11-15)

Exploit prediction

38.11% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-48020 Cisco Data Center Network Manager 11.2.1 - 'LanFabricImpl' Command Injection webapps, 2020-02-06
packetstormsecurity.com http://packetstormsecurity.com/files/156242/Cisco-Data-Center-Network-Manager-11.2.1-Command-Injection.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	9.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	7.8	AV:N/AC:L/Au:N/C:C/I:N/A:N

Affected products

Cisco Cisco Data Center Network Manager

Classification

Weakness

CWE-798 Use of Hard-coded Credentials

References

packetstormsecurity.com /files/156242/Cisco-Data-Center-Network-Manager-11.2.1-Command-Injection.html
exploit, third-party-advisory, vdb-entry
tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20200102-dcnm-auth-bypass
vendor-advisory

Sources

CVE List CVE-2019-15977
NVD CVE-2019-15977

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