CVE-2020-36948

CRITICAL

VestaCP 0.9.8-26 - Incorrect Authorization via LoginAs Session Token Manipulation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-36948. PoCs published by Vulnerability-Lab.

AI-analyzed exploit summary This exploit demonstrates an insufficient session validation vulnerability in VestaCP 0.9.8-26, allowing remote attackers to bypass authentication by manipulating the 'token' parameter in the 'LoginAs' module. The PoC shows how an attacker can access user or admin accounts without proper authorization.

Description

VestaCP 0.9.8-26 contains a session token vulnerability in the LoginAs module that allows remote attackers to manipulate authentication tokens. Attackers can exploit insufficient token validation to access user accounts and perform unauthorized login requests without proper administrative permissions.

Exploits (1)

exploitdb WORKING POC
by Vulnerability-Lab · textwebappsmultiple
https://www.exploit-db.com/exploits/49219

This exploit demonstrates an insufficient session validation vulnerability in VestaCP 0.9.8-26, allowing remote attackers to bypass authentication by manipulating the 'token' parameter in the 'LoginAs' module. The PoC shows how an attacker can access user or admin accounts without proper authorization.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: VestaCP v0.9.8-26
No auth needed
Prerequisites: Access to the VestaCP login page · Valid user account name to target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Various Sources product
https://vestacp.com/
Various Sources technical-description exploit
https://www.vulnerability-lab.com/get_content.php?id=2240
Exploit, Third Party Advisory exploit
https://www.exploit-db.com/exploits/49219

Scores

CVSS v3 9.8
EPSS 0.0056
EPSS Percentile 42.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-863
Status published
Products (1)
VestaCP/VestaCP 0.9.8-26
Published Jan 27, 2026
Tracked Since Feb 18, 2026