CVE-2021-40870

9.8CRITICAL

Key Information:

Vendor
Aviatrix
Status
Controller
Vendor
CVE Published:
13 September 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 97%🦅 CISA Reported

Summary

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.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-40870
Created by 0xAgun

CVE-2021-40870
Created by orangmuda

CVE-2021-40870
Created by JoyGhoshs

References

https://docs.aviatrix.com/HowTos/UCC_Release_Notes.html#s...
x_refsource_MISC
https://wearetradecraft.com/advisories/tc-2021-0002/
x_refsource_MISC
http://packetstormsecurity.com/files/164461/Aviatrix-Cont...
x_refsource_MISC

EPSS Score

97% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🦅

    CISA Reported

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.