CVE-2021-40870: Aviatrix Controller Unrestricted Upload of File

CVE-2021-40870 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-01-18

Aviatrix Controller allows unauthenticated remote code execution due to unrestricted file uploads. An attacker can utilize directory traversal to upload dangerous file types to sensitive locations on the controller.

Quick answers

Is CVE-2021-40870 exploited in the wild?
Yes. CVE-2021-40870 is known to be exploited in the wild, first recorded on 18 January 2022. Treat it as urgent.
How severe is CVE-2021-40870?
Critical severity, with a CVSS score of 9.8, published 18 January 2022.
Which products and versions are affected?
Aviatrix Controller 6.x before 6.5-1804.1922.
Is there a fix for CVE-2021-40870?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2021-40870 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2021-40870?
Check whether you run Aviatrix Controller. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Aviatrix Controller 6.x before 6.5-1804.1922

Timeline

  • 2021-09-11: disclosed: Vendor security note published
  • 2021-09-13: disclosed: NVD Published Date
  • 2022-01-18: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-09-13: exploited: Reported as exploited in the wild per CISA KEV entry date

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