AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-3521

MEDIUM · CVSS 5.3 EPSS 1.79% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-08-26 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. It affects Cisco. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-3521
Severity
MEDIUM
CVSS
5.3
EPSS
1.79%
Cisco

Original NVD Description

A vulnerability in a specific REST API of Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, remote attacker to conduct directory traversal attacks on an affected device. The vulnerability is due to insufficient validation of user-supplied input to the API. An attacker with a low-privileged account could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to read arbitrary files on the affected system.

Related CVEs

Other vulnerabilities affecting the same vendor(s)