Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-20032— Cisco NX-OS Software Python Sandbox Escape Vulnerability

Quick assessment

Affected
Cisco Cisco NX-OS Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco NX-OS 软件中 Python 解释器存在漏洞，经认证且拥有低权限的本地攻击者可能利用该漏洞逃逸 Python 沙箱环境，从而未经授权地访问受影响设备的底层操作系统。 该漏洞源于对用户输入验证不足。攻击者可通过操纵 Python 解释器中的特定函数来利用此漏洞。成功利用该漏洞后，攻击者能够逃逸 Python 沙箱，并以经认证用户的权限在底层操作系统上执行任意命令。

CVSS 4.4 · Medium

Affected Version Matrix 143

VendorProduct Version RangeStatus
Cisco Cisco NX-OS Software 8.2(5) affected
7.3(5)D1(1) affected
8.4(2) affected
8.4(3) affected
9.2(3) affected
8.2(1) affected
7.3(1)D1(1) affected
9.2(2v) affected
… +135 more rows
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-20032

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cisco NX-OS Software Python Sandbox Escape Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的划分
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco NX-OS Software 8.2(5) -

II. Public POCs for CVE-2026-20032

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-20032

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-20032 (1)

Same Patch Batch · Cisco · 2026-10-07 · 36 CVEs total

CVE-2026-76482 10.0 CRITICAL Cisco License On-Prem Security Hardening Release
CVE-2026-76465 9.8 CRITICAL Cisco Nexus 3000 and 9000 Series Switches MPLS OAM Remote Code Execution Vulnerability
CVE-2026-76455 9.8 CRITICAL Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Access Control Vu
CVE-2026-76471 9.8 CRITICAL Cisco NX-OS Software NX-API Remote Code Execution Vulnerability
CVE-2026-76480 9.8 CRITICAL Cisco License On-Prem Security Hardening Release
CVE-2026-76500 9.8 CRITICAL Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Impro
CVE-2026-76501 9.8 CRITICAL Cisco Nexus 9000 Series Switches SRv6 OAM (NGOAM) Remote Code Execution Vulnerability
CVE-2026-76498 9.8 CRITICAL Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Impro
CVE-2026-76499 9.8 CRITICAL Cisco Application Policy Infrastructure Controller Hardening Release: October 2026 - Impro
CVE-2026-76486 9.8 CRITICAL Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerab
CVE-2026-76485 9.8 CRITICAL Cisco Nexus 3000 and 9000 Series Switches VXLAN OAM (NGOAM) Remote Code Execution Vulnerab
CVE-2026-76464 9.6 CRITICAL Cisco Meraki Hardening Release October 2026 - Buffer Management Vulnerabilities
CVE-2026-76454 9.1 CRITICAL Cisco Smart Software Manager On-Prem Unauthenticated API Vulnerability
CVE-2026-76483 9.1 CRITICAL Cisco License On-Prem Security Hardening Release
CVE-2026-20328 9.1 CRITICAL Cisco Smart Software Manager On-Prem Arbitrary Account Password Reset Vulnerability
CVE-2026-76484 8.8 HIGH Cisco License On-Prem Security Hardening Release
CVE-2026-76453 8.8 HIGH Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Neutralization Vu
CVE-2026-76463 8.8 HIGH Cisco Meraki Security Hardening Release: October 2026 - Improper Access Control Vulnerabil
CVE-2026-76459 8.8 HIGH Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Write Vulner
CVE-2026-76470 8.8 HIGH Cisco Meraki Hardening Release - Incorrect Calculation Vulnerabilities

Showing top 20 of 36 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco NX-OS Software
Same vendor: Cisco
Same weakness: CWE-653

V. Comments for CVE-2026-20032

No comments yet

Leave a comment