CVE-2021-40870

9.8 CRITICAL CISA KEV - Actively Exploited

Published: September 13, 2021 Modified: November 10, 2025

Description

An issue was discovered in Aviatrix Controller 6.x before 6.5-1804.1922. Unrestricted upload of a file with a dangerous type is possible, which allows an unauthenticated user to execute arbitrary code via directory traversal.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html

Source: cve@mitre.org

Exploit Third Party Advisory VDB Entry

https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021

Source: cve@mitre.org

Release Notes Vendor Advisory

https://wearetradecraft.com/advisories/tc-2021-0002/

Source: cve@mitre.org

Exploit Third Party Advisory

http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes Vendor Advisory

https://wearetradecraft.com/advisories/tc-2021-0002/

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40870

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

94.2%

100th percentile

Exploitation Status

Actively Exploited

Remediation due: 2022-02-01

Weaknesses (CWE)

CWE-23

Affected Vendors

aviatrix

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