CVE-2019-7816

ColdFusion versions Update 2 and earlier, Update 9 and earlier, and Update 17 and earlier have a file upload restriction bypass vulnerability

published May 24, 2019

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.3th percentile for exploit probability.

CVSS
—
EPSS
68%
Percentile
99.3
In the wild
Unconfirmed
What it is

⚡ There's a sneaky file upload restriction bypass in ColdFusion that's easier to exploit than you might think! 🔥 Think of it like a hotel with a strict dress code: if the bouncer isn't checking IDs properly, anyone can slip in wearing whatever they want. This vulnerability allows an attacker to upload any file type, bypassing the intended restrictions as if they were wearing a costume to blend in! If exploited, a malicious actor could execute arbitrary code on the server, leading to a devastating compromise of sensitive data or the entire application. Imagine the chaos when the wrong files get into the system, allowing attackers to take control like a thief sneaking into the back office!

Put simply

Think of it like a hotel with a strict dress code: if the bouncer isn't checking IDs properly, anyone can slip in wearing whatever they want. This vulnerability allows an attacker to upload any file type, bypassing the intended restrictions as if they were wearing a costume to blend in! This vulnerability arises from improper handling of file upload restrictions, enabling attackers to upload files that should be disallowed, leading to remote code execution possibilities in ColdFusion versions Update 2 and earlier, Update 9 and earlier, and Update 17 and earlier.

What to do

If exploited, a malicious actor could execute arbitrary code on the server, leading to a devastating compromise of sensitive data or the entire application. Imagine the chaos when the wrong files get into the system, allowing attackers to take control like a thief sneaking into the back office! To secure your system, it's crucial to upgrade ColdFusion to a version beyond Update 17. Additionally, implement strict validation on file uploads to ensure only permitted file types are allowed. Regularly audit your configuration and file handling practices to prevent further issues. This is fixable! With these steps, you'll be standing tall as a security hero in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.67844 · 99.3th percentile
Published
2019-05-24T17:36Z
EPSS history
Timeline
  • 24 MAY 17:36Z
    ColdFusion versions Update 2 and earlier, Update 9 and earlier, and Update 17 and earlier have a file upload restriction bypass vulnerability
    cvelistv5