CVE-2020-13382

CRITICAL

openSIS <= 7.4 - Unauthenticated PHP Code Execution

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-13382. Includes Metasploit module exploits/unix/webapp/opensis_chain_exec.

AI-analyzed exploit summary This Metasploit module exploits an unauthenticated PHP code execution vulnerability in openSIS 7.4 and prior versions by chaining an incorrect access control issue, a Local File Inclusion, and a SQL injection leading to arbitrary PHP code execution via an unsafe use of the eval() function.

Description

openSIS through 7.4 has Incorrect Access Control.

Exploits (1)

metasploit WORKING POC EXCELLENT
rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/opensis_chain_exec.rb

This Metasploit module exploits an unauthenticated PHP code execution vulnerability in openSIS 7.4 and prior versions by chaining an incorrect access control issue, a Local File Inclusion, and a SQL injection leading to arbitrary PHP code execution via an unsafe use of the eval() function.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: openSIS <= 7.4
No auth needed
Prerequisites: Network access to the target web application
devstral-2 · analyzed Apr 30, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
http://packetstormsecurity.com/files/158255/openSIS-7.4-Incorrect-Access-Control.html

Scores

CVSS v3 9.1
EPSS 0.5281
EPSS Percentile 98.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-306
Status published
Products (1)
os4ed/opensis < 7.4
Published Jul 01, 2020
Tracked Since Feb 18, 2026