CVE-2023-38203KEV · OVERDUECWE-502

Analysis CVE-2023-29300 Bypass: Adobe ColdFusion Pre-Auth RCE

Critical · published July 20, 2023

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

999
days past CISA
deadline
CVSS v3.1
9.8
EPSS
97%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 Brace yourselves! Adobe ColdFusion versions 2018u17, 2021u7, and 2023u1 have a deserialization flaw that allows arbitrary code execution without any user interaction. 🔥 Think of it like a restaurant that serves mystery boxes without checking what's inside. If the chef doesn’t inspect those boxes, someone could sneak in some very questionable ingredients and cook up something disastrous! An attacker could execute arbitrary code on the server, potentially taking complete control and wreaking havoc—stealing data, altering server functionality, or even shutting it down entirely. This is absolutely devastating for any organization relying on ColdFusion, as it opens the door wide for severe data breaches and operational disasters!

Put simply

Think of it like a restaurant that serves mystery boxes without checking what's inside. If the chef doesn’t inspect those boxes, someone could sneak in some very questionable ingredients and cook up something disastrous! This vulnerability in Adobe ColdFusion allows attackers to exploit deserialized data, executing malicious code on the server without any user input required. This means they can bypass normal security measures seamlessly, making it particularly dangerous.

What to do

An attacker could execute arbitrary code on the server, potentially taking complete control and wreaking havoc—stealing data, altering server functionality, or even shutting it down entirely. This is absolutely devastating for any organization relying on ColdFusion, as it opens the door wide for severe data breaches and operational disasters! Immediately upgrade to Adobe ColdFusion 2018u18, 2021u8, or 2023u2 to eliminate this vulnerability. Additionally, audit your applications to ensure no untrusted data is being processed. Enforce strict input validation and review your security practices around deserialization. You've got this! By taking these steps, you’re not just securing your systems, you’re stepping up as a security hero! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.97074 · 99.9th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2023-07-20T15:41Z
KEV added
2024-01-08 · due 2024-01-29
EPSS history
Timeline
  • 08 JAN 00:00Z
    Added to CISA KEV — remediate by Jan 29
    kev
  • 20 JUL 15:41Z
    Analysis CVE-2023-29300 Bypass: Adobe ColdFusion Pre-Auth RCE
    cvelistv5