6.5

CVE-2020-3521: cisco cisco data center network manager Improper Input Validation

CVSS: 6.5v3.1MediumModified
Published 26-08-2020Last modified 13-11-2024

Vulnerability summary

CVE-2020-3521 is a medium (CVSS 6.5) Improper Input Validation vulnerability in cisco cisco data center network manager. EPSS estimates a 1.79% chance of exploitation in the next 30 days, higher than 77.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.79%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-08-2020
    PublishedVulnerability first disclosed.
  2. 13-11-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.79%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.79% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.79%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

1 vendor · 2 products

References

1 links