Cisco Data Center Network Manager Authorization Bypass Vulnerability
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-285.
Summary
A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to view, modify, and delete data without proper authorization. The vulnerability is due to a failure to limit access to resources that are intended for users with Administrator privileges. An attacker could exploit this vulnerability by convincing a user to click a malicious URL. A successful exploit could allow a low-privileged attacker to list, view, create, edit, and delete templates in the same manner as a user with Administrator privileges.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-3539
- 2026-10-03 Alias added: GHSA-x9cp-m9m5-f8xr
References
More Cisco Prime Data Center Network Manager vulnerabilities
- TI-2015-00617 Directory traversal vulnerability in the fmserver servlet in Cisco Prime Data Center… KEVCVSS 3.1HIGH 7.5
- TI-2013-04683 Directory traversal vulnerability in processImageSave.jsp in DCNM-SAN Server in Cisco… CVSS 2.0HIGH 10.0
- TI-2018-00219 Path traversal in Cisco Prime File Upload Servlet CVSS 3.0CRITICAL 9.8
- TI-2017-04398 Missing authorization in Cisco Prime Data Center Network Manager Debug Remote Code… CVSS 3.0CRITICAL 9.8
- TI-2017-04399 Access control flaw in Cisco Prime Data Center Network Manager Server Static Credential… CVSS 3.0CRITICAL 9.8
- TI-2012-04570 Cisco Prime Data Center Network Manager (DCNM) before 6.1(1) does not properly restrict… CVSS 2.0HIGH 10.0
Sources
- CVE-2020-3539 · CVE Program
- CVE-2020-3539 · NVD
- FIRST EPSS
- GHSA-x9cp-m9m5-f8xr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences