CVE-2026-20032: cisco cisco nx-os software
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.
Timeline
- 07-10-2026PublishedVulnerability first disclosed.
- 07-10-2026Last 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- NVDNIST4.4MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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