CVE-2023-3350

HIGH

IBERMATICA RPS 2019 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-3350. PoCs published by itres-labs.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2023-3350, a cryptographic design flaw in IBERMATICA RPS 2019 where passwords are encrypted with AES-CBC using predictable keying material derived from usernames. The included C# code demonstrates decryption of a sample ciphertext, illustrating the vulnerability's mechanics.

Description

A Cryptographic Issue vulnerability has been found on IBERMATICA RPS, affecting version 2019. By firstly downloading the log file, an attacker could retrieve the SQL query sent to the application in plaint text. This log file contains the password hashes coded with AES-CBC-128 bits algorithm, which can be decrypted with a .NET function, obtaining the username's password in plain text.

Exploits (1)

nomisec WRITEUP
by itres-labs · poc
https://github.com/itres-labs/CVE-2023-3350

This repository provides a detailed technical analysis of CVE-2023-3350, a cryptographic design flaw in IBERMATICA RPS 2019 where passwords are encrypted with AES-CBC using predictable keying material derived from usernames. The included C# code demonstrates decryption of a sample ciphertext, illustrating the vulnerability's mechanics.

Classification
Writeup 98%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: IBERMATICA RPS 2019
No auth needed
Prerequisites: Access to the exposed /RPS2019Service/status.html endpoint · Ability to download application logs containing encrypted passwords and usernames · Knowledge of the predictable key derivation scheme
mistral-large-3 · analyzed Jul 28, 2026 Full analysis →

Scores

CVSS v3 8.2
EPSS 0.0024
EPSS Percentile 15.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-327 CWE-532
Status published
Products (1)
ayesa/ibermatica_rps 2019
Published Oct 03, 2023
Tracked Since Feb 18, 2026