6.5

CVE-2026-20042: cisco cisco nexus dashboard Improper Certificate Validation

CVSS: 6.5v3.1MediumAnalyzed
Published 01-04-2026Last modified 02-04-2026
Open JSON

Vulnerability summary

CVE-2026-20042 is a medium (CVSS 6.5) Improper Certificate Validation vulnerability in cisco cisco nexus dashboard. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.4% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
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. 01-04-2026
    PublishedVulnerability first disclosed.
  2. 02-04-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability in the configuration backup feature of Cisco Nexus Dashboard could allow an attacker who has the encryption password and access to Full or Config-only backup files to access sensitive information. This vulnerability exists because authentication details are included in the encrypted backup files. An attacker with a valid backup file and encryption password from an affected device could decrypt the backup file. The attacker could then use the authentication details in the backup file to access internal-only APIs on the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.29%

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

Cisco2 products
  • cisco nexus dashboard1.1(3e) | 1.1(3c) | 1.1(3d) | 1.1(0d) | 1.1(2i) | 2.0(1b) | 1.1(2h) | 1.1(0c) | 1.1(3f) | 2.1(1d) | 2.1(1e) | 2.0(2g) | 2.0(2h) | 2.1(2d) | 2.0(1d) | 2.2(1h) | 2.2(1e) | 2.2(2d) | 2.1(2f) | 2.3(1c) | 2.3(2b) | 2.3(2c) | 2.3(2d) | 2.3(2e) | 3.0(1f) | 3.0(1i) | 3.1(1k) | 3.1(1l) | 3.2(1e) | 3.2(1i) | 3.3(1a) | 3.3(1b) | 3.3(2b) | 4.0(1i) | 3.3(2g) | 3.2(2f) | 3.2(2g) | 3.2(2m) | 3.1(1n) | 4.1(1g)
  • nexus_dashboard< 4.2.1

1 vendor · 2 products

References

1 links