CVE-2021-40870
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2022-01-18 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-02-01 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 93.0% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Added to CISA KEV
- 2022-01-18
- Exploit probability
- 93.0% · EPSS, next 30 days
- Weakness
- CWE-23
- Record status
- Analyzed
Affected
- Aviatrix Controller < 6.2.2043
- Aviatrix Controller < 6.3.2490
- Aviatrix Controller < 6.4.2838
- Aviatrix Controller < 6.5.1922
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2021-40870.md and follow it. Check whether this project is affected by CVE-2021-40870. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021
- https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021
References
- http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html
- https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021
- https://wearetradecraft.com/advisories/tc-2021-0002/
- http://packetstormsecurity.com/files/164461/Aviatrix-Controller-6.x-Path-Traversal-Code-Execution.html
- https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#security-note-9-11-2021
- https://wearetradecraft.com/advisories/tc-2021-0002/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40870