VulnerabilityAnalyzed
CVE-2021-40870
Aviatrix Controller Unrestricted Upload of File
KEVCRITICAL 9.8EPSS 93.0%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 1 February 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 93.02% probability · 100th percentile
- CISA KEV
- Listed 18 January 2022 · due 1 February 2022
- Weakness
- CWE-23
- Affected
- aviatrix/controller
- Source
- cve@mitre.org
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-40870
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.