PT-2021-7652 · Aviatrix · Aviatrix Controller

Mark Steward · Published 2021-09-13 · Updated 2025-11-10 · CVE-2021-40870

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Aviatrix Controller versions 6.x through 6.5-1804.1921

Description The issue is related to an unrestricted upload of a file with a dangerous type, allowing an unauthenticated user to execute arbitrary code via directory traversal. This can be exploited by a remote attacker using a specially crafted file, potentially leading to the execution of arbitrary code.

Recommendations For Aviatrix Controller versions 6.x through 6.5-1804.1921, update to version 6.5-1804.1922 or later to resolve the issue. As a temporary workaround, consider restricting access to file upload functionality to minimize the risk of exploitation.

Exploit

Fix

Relative Path Traversal

Path traversal

Weakness Enumeration

CWE-23

CWE-436

CWE-22

Related Identifiers

BDU:2023-00913

CVE-2021-40870

Affected Products

Aviatrix Controller

References · 21

• 🔥 https://github.com/0xAgun/CVE-2021-40870 · Exploit
• 🔥 https://github.com/orangmuda/CVE-2021-40870 · Exploit
• 🔥 https://github.com/thomsdev/CVE-2021-40870 · Exploit
• 🔥 https://github.com/byteofjoshua/CVE-2021-40870 · Exploit
• 🔥 https://wearetradecraft.com/advisories/tc-2021-0002 · Exploit
• 🔥 http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html · Exploit
• 🔥 https://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-40870 · Security Note
• https://osv.dev/vulnerability/CVE-2021-40870 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00913 · Security Note
• https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021 · Vendor Advisory
• https://t.me/defcon_news/87172 · Telegram Post
• https://t.me/aptreports/15283 · Telegram Post
• https://t.me/cveNotify/142285 · Telegram Post
• https://t.me/cvenotify/22283 · Telegram Post