CVE-2021-40870

Known Exploited Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 94.19% Top 5%
KEV Since 
Vendor Advisory aviatrix.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021 release notes vendor advisory
https://wearetradecraft.com/advisories/tc-2021-0002/ third party advisory exploit
http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-40870?
CVE-2021-40870 has been scored as a critical severity vulnerability.
How to fix CVE-2021-40870?
To fix CVE-2021-40870, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40870 being actively exploited in the wild?
It is confirmed that CVE-2021-40870 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~94% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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