TI-2020-03066 Aliases CVE-2020-3520 GHSA-m5rm-68hm-f8wh

Cisco Data Center Network Manager Information Disclosure Vulnerability

LOW 25CWE-200Published 2020-08-26 · Updated 2024-11-13

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

A vulnerability in Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, local attacker to obtain confidential information from an affected device. The vulnerability is due to insufficient protection of confidential information on an affected device. An attacker at any privilege level could exploit this vulnerability by accessing local filesystems and extracting sensitive information from them. A successful exploit could allow the attacker to view sensitive data, which they could use to elevate their privilege.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00287 21st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cisco	Cisco Data Center Network Manager	all versions	—	No fix listed	CNA

Cisco Data Center Network Manager VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:data_center_network_manager::::::::	before 11.4\(1\)	Vulnerable	Cisco

cpe:2.3:a:cisco:data_center_network_manager:*:*:*:*:*:*:*:* Versions before 11.4\(1\) Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-3520
2026-10-03 Alias added: GHSA-m5rm-68hm-f8wh

References

Advisory 1

20200819 Cisco Data Center Network Manager Information Disclosure Vulnerability

TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
TI-2019-12015 Cisco Data Center Network Manager Authentication Bypass Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2019-12016 Cisco Data Center Network Manager Authentication Bypass Vulnerabilities CVSS 3.1CRITICAL 9.8
TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
TI-2019-01247 Cisco Data Center Network Manager Arbitrary File Upload and Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2019-01246 Cisco Data Center Network Manager Authentication Bypass Vulnerability CVSS 3.1CRITICAL 9.8

See all 67 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences