CVE-2026-20032

MEDIUM 4.4

Cisco NX-OS Software Python Sandbox Escape Vulnerability

CVSS Score

4.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-653
Vendor	cisco
Product	cisco nx-os software
Ecosystems	Networking
Industries	NetworkingTelecommunications
Published	Oct 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Cisco / Cisco NX-OS Software

8.2(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)

References

NVD ↗ CVE.org ↗ EPSS Data ↗

sec.cloudapps.cisco.com: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-mppe-dhKZAFgb