CVE-2022-22831

CRITICAL

Servisnet Tessa 0.0.2 - Unauthenticated User Addition via Authorization Header Manipulation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-22831. PoCs published by AkkuS.

AI-analyzed exploit summary This Metasploit module exploits an authentication bypass in Servisnet Tessa by leveraging a hardcoded Authorization header in the publicly accessible app.js file to add a new sysAdmin user without authentication.

Description

An issue was discovered in Servisnet Tessa 0.0.2. An attacker can add a new sysadmin user via a manipulation of the Authorization HTTP header.

Exploits (1)

exploitdb WORKING POC
by AkkuS · rubywebappsmultiple
https://www.exploit-db.com/exploits/50714

This Metasploit module exploits an authentication bypass in Servisnet Tessa by leveraging a hardcoded Authorization header in the publicly accessible app.js file to add a new sysAdmin user without authentication.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: Servisnet Tessa
No auth needed
Prerequisites: Target must have Servisnet Tessa installed with default configurations · app.js must be publicly accessible
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/50714

Scores

CVSS v3 9.8
EPSS 0.2124
EPSS Percentile 95.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-287
Status published
Products (1)
servisnet/tessa 0.0.2
Published Feb 06, 2022
Tracked Since Feb 18, 2026