What is CVE-2021-40870?

CVE-2021-40870 is a vulnerability in N/a. Published 2021-09-13.

Is CVE-2021-40870 known to be exploited?

Yes. CVE-2021-40870 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-18), indicating it is being actively exploited. 18 public proof-of-concept repositories are indexed.

Vulnerability in N/a

CVE-2021-40870

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.

EPSS: 0.943 (99.9th percentile) — read the EPSS interpretation.

Affected products

N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-01-18. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-02-01.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

docs.aviatrix.com/HowTos/UCC_Release_Notes.html (x_refsource_MISC)
wearetradecraft.com/advisories/tc-2021-0002/ (x_refsource_MISC)
packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Cod… (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-40870?: CVE-2021-40870 is a vulnerability in N/a. Published 2021-09-13.
Is CVE-2021-40870 known to be exploited?: Yes. CVE-2021-40870 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-18), indicating it is being actively exploited. 18 public proof-of-concept repositories are indexed.