7.8

CVE-2019-1726: cisco cisco nx-os software Improper Input Validation

CVSS: 7.8v3.1HighModified
Published 15-05-2019Last modified 21-11-2024
Open JSON

Vulnerability summary

CVE-2019-1726 is a high (CVSS 7.8) Improper Input Validation vulnerability in cisco cisco nx-os software. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.41%
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. 15-05-2019
    PublishedVulnerability first disclosed.
  2. 21-11-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to access internal services that should be restricted on an affected device, such as the NX-API. The vulnerability is due to insufficient validation of arguments passed to a certain CLI command. An attacker could exploit this vulnerability by including malicious input as the argument to the affected command. A successful exploit could allow the attacker to bypass intended restrictions and access internal services of the device. An attacker would need valid device credentials to exploit this vulnerability.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

0.00 pp

From 0.41% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.41%

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 nx-os software≥ unspecified, < 6.2(25) | ≥ unspecified, < 8.3(2) | ≥ unspecified, < 7.0(3)I7(3) | ≥ unspecified, < 9.2(1)
  • nx-os≥ 5.2, < 6.2\(25\) | ≥ 7.3, < 8.3\(2\) | ≥ 7.0\(3\)i7, < 7.0\(3\)i7\(3\) | < 6.0\(2\)a8\(11\) | ≥ 7.0\(3\), < 7.0\(3\)i7\(3\) | < 7.3\(4\)n1\(1\) | < 6.2\(22\) | ≥ 7.2, < 7.3\(3\)d1\(1\) | ≥ 8.0, < 8.3\(2\) | < 4.0\(1d\)

1 vendor · 2 products

References

2 links