Local File Inclusion in ProcessMaker by ProcessMaker Inc.
CVE-2021-47978

6.9MEDIUM

Key Information:

Vendor

Processmaker

Status
Processmaker
Vendor
CVE Published:
16 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47978?

ProcessMaker 3.5.4 is prone to a local file inclusion vulnerability that can be exploited by unauthenticated attackers to gain unauthorized access to sensitive files. This vulnerability arises from insufficient validation of path traversal sequences, allowing attackers to manipulate input and access sensitive system files such as /etc/passwd. Successful exploitation could lead to exposure of sensitive information and potential further compromises within the system.

Affected Version(s)

ProcessMaker 0 <= 3.5.4

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47978 - Proof of Concept

References

https://www.exploit-db.com/exploits/50229
exploit
https://www.processmaker.com/
product
https://www.vulncheck.com/advisories/processmaker-local-f...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ai Ho (@j3ssiejjj)
.