CVE-2015-9266

Ubiquiti airOS HTTP(S) unauthenticated arbitrary file upload

Critical · published September 5, 2018

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.5th percentile for exploit probability.

CVSS v3.0
9.8
EPSS
74%
Percentile
99.5
In the wild
Unconfirmed
What it is

🔥 An unauthenticated attacker can upload arbitrary files on Ubiquiti devices, gaining root access like a thief who slips through a side door without a key! 😱 Think of it like a hotel with a back entrance that anyone can use — no ID required! Instead of checking in guests, the hotel staff are obliviously letting in anyone who strolls by, allowing attackers to sneak in and rearrange the whole place. This vulnerability opens the door to catastrophic scenarios, allowing attackers to seize control of the device, manipulate settings, or even launch attacks on the entire network. If exploited, it could lead to a total compromise of your network security and data integrity!

Put simply

Think of it like a hotel with a back entrance that anyone can use — no ID required! Instead of checking in guests, the hotel staff are obliviously letting in anyone who strolls by, allowing attackers to sneak in and rearrange the whole place. The CVE-2015-9266 vulnerability enables directory traversal, allowing an attacker to upload files to sensitive directories in Ubiquiti's web management interface without authentication, potentially gaining root privileges.

What to do

This vulnerability opens the door to catastrophic scenarios, allowing attackers to seize control of the device, manipulate settings, or even launch attacks on the entire network. If exploited, it could lead to a total compromise of your network security and data integrity! Upgrade immediately to the patched versions: airMAX AC 7.1.3, airMAX M 5.6.2, airGateway 1.1.5, airFiber AF24/AF24HD 2.2.1, and others listed. If you're running affected versions, take action NOW to minimize risks! You've got this! Follow these steps and secure your network like the hero you are! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.73999 · 99.5th percentile
Published
2018-09-05T21:00Z
EPSS history
Timeline
  • 05 SEP 21:00Z
    Ubiquiti airOS HTTP(S) unauthenticated arbitrary file upload
    cvelistv5