4.4

CVE-2026-20032: cisco cisco nx-os software

CVSS: 4.4v3.1MediumAwaiting analysis
Published 07-10-2026Last modified 07-10-2026

Vulnerability summary

CVE-2026-20032 is a medium (CVSS 4.4) vulnerability in cisco cisco nx-os software. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.1% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.11%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-10-2026
    PublishedVulnerability first disclosed.
  2. 07-10-2026
    Last modifiedVulnerability information updated.

Description

A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, local attacker with low privileges to escape the Python sandbox and gain unauthorized access to the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by manipulating specific functions within the Python interpreter. A successful exploit could allow an attacker to escape the Python sandbox and execute arbitrary commands on the underlying operating system with the privileges of the authenticated user.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

08-10-202621-10-2026
EPSS score
0.11%

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

Cisco1 product
  • cisco nx-os software8.2(5) | 7.3(5)D1(1) | 8.4(2) | 8.4(3) | 9.2(3) | 8.2(1) | 7.3(1)D1(1) | 9.2(2v) | 7.3(0)D1(1) | 7.3(4)D1(1) | 9.2(1) | 9.2(2t) | 9.2(3y) | 9.3(2) | 7.3(1)DY(1) | 8.1(1) | 8.2(2) | 8.3(2) | 7.3(2)D1(3a) | 9.2(4) | 8.1(2) | 7.3(3)D1(1) | 8.2(3) | 8.3(1) | 8.4(1) | 8.1(1b) | 7.3(0)DX(1) | 7.3(2)D1(1) | 9.3(1) | 7.3(2)D1(2) | 8.2(4) | 7.3(0)DY(1) | 9.3(1z) | 9.2(2) | 8.1(2a) | 7.3(2)D1(3) | 8.1(1a) | 8.4(1a) | 9.3(3) | 7.3(2)D1(1d) | 9.3(4) | 7.3(6)D1(1) | 8.2(6) | 9.3(5) | 8.4(2a) | 8.4(2b) | 8.5(1) | 9.3(6) | 8.4(4) | 7.3(7)D1(1) | 8.4(2c) | 9.3(5w) | 8.2(7) | 9.3(7) | 9.3(7k) | 7.3(8)D1(1) | 9.3(7a) | 8.2(7a) | 9.3(8) | 8.4(4a) | 8.4(2d) | 8.4(5) | 8.2(8) | 9.3(9) | 7.3(9)D1(1) | 8.4(6) | 8.4(2e) | 9.3(10) | 9.2(1a) | 8.2(9) | 10.3(1) | 8.4(7) | 10.3(2) | 8.4(6a) | 9.3(11) | 10.3(3) | 9.4(1) | 9.3(2a) | 8.4(2f) | 8.2(10) | 9.3(12) | 10.4(1) | 8.4(8) | 10.3(99w) | 10.3(3w) | 10.3(99x) | 10.3(3o) | 8.4(9) | 10.3(4) | 10.3(3p) | 10.3(4a) | 9.4(1a) | 10.4(2) | 10.3(3q) | 9.3(13) | 8.2(11) | 9.4(2) | 10.3(5) | 10.4(3) | 10.3(3x) | 10.3(4g) | 10.5(1) | 8.4(10) | 9.4(2a) | 10.3(3r) | 10.3(6) | 9.3(14) | 10.4(4) | 10.3(4h) | 10.5(2) | 8.4(11) | 9.4(3) | 10.3(7) | 10.4(5) | 10.5(3) | 9.3(15) | 9.4(3a) | 10.4(4g) | 10.5(4) | 9.4(3b) | 8.4(12) | 10.6(1) | 10.5(3t) | 10.3(8) | 10.4(6) | 10.5(3s) | 10.5(3e) | 9.4(4) | 10.5(3o) | 9.3(16) | 10.6(1s) | 10.6(2) | 10.5(3p) | 9.4(5) | 10.3(9) | 10.6(2s) | 8.4(13) | 10.6(3) | 10.4(7) | 10.5(5) | 9.3(17) | 10.6(2n) | 10.6(3s)

1 vendor · 1 product

References

1 links