CVE-2021-40870

critical

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.

References

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

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

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

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

Details

Source: Mitre, NVD

Published: 2021-09-13

Updated: 2025-11-10

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.94228