PatchTheCVECVE-2020-3539: A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow
CVE-2020-3539 is a medium-severity flaw (CVSS 6.3) affecting prime data center network manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 cou
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 63%) |
| CISA exploited list | No |
| Weakness | CWE-285 |
| Published | 2024-11-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-3539?
prime data center network manager: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-3539 being exploited?
CVE-2020-3539 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-3539 affect?
CVE-2020-3539 affects prime data center network manager. Severity is medium (CVSS 6.3). 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 fa
How urgent is CVE-2020-3539?
Priority 31/100. No elevated risk signals yet.