CVE-2021-40870
Last modified
CVE-2021-40870 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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 has confirmed active exploitation in the wild. EPSS estimates a 92.38% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Aviatrix | Controller | >= 6.2, < 6.2.2043 |
| Aviatrix | Controller | >= 6.3, < 6.3.2490 |
| Aviatrix | Controller | >= 6.4, < 6.4.2838 |
| Aviatrix | Controller | >= 6.5, < 6.5.1922 |
References
- http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021Release Notes, Vendor Advisory
- https://wearetradecraft.com/advisories/tc-2021-0002/Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021Release Notes, Vendor Advisory
- https://wearetradecraft.com/advisories/tc-2021-0002/Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40870US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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