CVE-2021-40870

9.8

CVSS
Critical

PUBLISHED

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...

Exploited in the wild Remote Low complexity No user interaction

Vendor: Aviatrix
Product: Controller
Published: Sep 13, 2021
EPSS: —

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.

cisa nuclei_scanner

CVSS scores

CVSS v3.1 9.8 Critical

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

CVSS v2.0 7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitation status

Exploited in the wild

Recorded 2022-01-18 00:00:00 UTC · Source

SSVC decision points

Exploitation: active
Automatable: Yes
Technical impact: total

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source	Added
CISA	Jan 18, 2022
CISA	Jan 18, 2022

Scanner integrations

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-40870.yaml	Apr 25, 2025

Potential proof of concepts

These PoCs are unverified and could contain malware. Use at your own risk.

JoyGhoshs/CVE-2021-40870

github · Created 2021-10-08 05:35:40 UTC · 2 stars

Unrestricted upload of file with dangerous type in Aviatrix allows an authenticated user to execute arbitrary code

orangmuda/CVE-2021-40870

github · Created 2021-10-07 21:34:00 UTC · 3 stars

Aviatrix allows an authenticated user to execute arbitrary code

0xAgun/CVE-2021-40870

github · Created 2021-10-07 17:19:12 UTC · 15 stars

Aviatrix Controller 6.x before 6.5-1804.1922. Unrestricted upload of a file which allows an unauthenticated user to execute arbitrary code via directory traversal

Vulnerability detail