CVE-2025-5891
Unitech pm2 Regular Expression Complexity Vulnerability
Description
A vulnerability classified as problematic was found in Unitech pm2 up to 6.0.6. This vulnerability affects unknown code of the file /lib/tools/Config.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
INFO
Published Date :
June 9, 2025, 7:15 p.m.
Last Modified :
July 10, 2025, 4:24 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Unitech pm2 to the latest version available.
- Apply vendor-specific security patches when released.
- Monitor for updated security advisories.
- Review code for similar regular expression issues.
Public PoC/Exploit Available at Github
CVE-2025-5891 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-5891.
| URL | Resource |
|---|---|
| https://gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385 | Product |
| https://github.com/Unitech/pm2/pull/5971 | Exploit Issue Tracking Patch |
| https://vuldb.com/?ctiid.311662 | Permissions Required VDB Entry |
| https://vuldb.com/?id.311662 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.585750 | Third Party Advisory VDB Entry |
| https://github.com/Unitech/pm2/pull/5971 | Exploit Issue Tracking Patch |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-5891 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-5891
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
From the book "The Good Parts of AWS"
JavaScript Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-5891 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-5891 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 10, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Added CWE CWE-1333 Added CPE Configuration OR *cpe:2.3:a:keymetric:pm2:*:*:*:*:*:*:*:* versions up to (including) 6.0.6 Added Reference Type VulDB: https://gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385 Types: Product Added Reference Type CISA-ADP: https://github.com/Unitech/pm2/pull/5971 Types: Exploit, Issue Tracking, Patch Added Reference Type VulDB: https://github.com/Unitech/pm2/pull/5971 Types: Exploit, Issue Tracking, Patch Added Reference Type VulDB: https://vuldb.com/?ctiid.311662 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.311662 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.585750 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 09, 2025
Action Type Old Value New Value Added Reference https://github.com/Unitech/pm2/pull/5971 -
New CVE Received by [email protected]
Jun. 09, 2025
Action Type Old Value New Value Added Description A vulnerability classified as problematic was found in Unitech pm2 up to 6.0.6. This vulnerability affects unknown code of the file /lib/tools/Config.js. The manipulation leads to inefficient regular expression complexity. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added CWE CWE-400 Added CWE CWE-1333 Added Reference https://gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385 Added Reference https://github.com/Unitech/pm2/pull/5971 Added Reference https://vuldb.com/?ctiid.311662 Added Reference https://vuldb.com/?id.311662 Added Reference https://vuldb.com/?submit.585750