Zero-day vulnerability in ColdFusion

Improper access control
CVE-2023-26360

Vulnerability details

Advisory: SB2023032105 - Remote code execution in General Bytes Crypto Application Server (CAS)

Vulnerable component: ColdFusion

CVE-ID: CVE-2023-26360

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:H/RL:O/RC:C

CWE-ID: CWE-284 - Improper Access Control

Description:

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.

Note, the vulnerability is being actively exploited in the wild.

Public Exploits:

- Adobe ColdFusion versions 2018_15 (and earlier) and 2021_5 and earlier - Arbitrary File Read [Exploit-DB]

External links:

https://helpx.adobe.com/security/products/coldfusion/apsb23-25.html
https://attackerkb.com/topics/1iRdvtUgtW/cve-2023-26359/rapid7-analysis
https://www.rapid7.com/blog/post/2023/03/21/etr-rapid7-observed-exploitation-of-adobe-coldfusion/

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.