Actively exploited · Published Sep 13, 2021 · Assigned by mitre
CVE-2021-40870
Critical 9.8 Exploited
In plain English
A critical-severity security flaw in Aviatrix Controller from Aviatrix. Attackers are actively exploiting it in the wild (listed by CISA on January 18, 2022). The chance it is exploited in the next 30 days is estimated at 93.0% (higher than 99.8% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Feb 1, 2022.
Official 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.
Affected products (as reported)
References
- https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021 x_refsource_MISC
- https://wearetradecraft.com/advisories/tc-2021-0002/ x_refsource_MISC
- http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40870 government-resource