CVE-2020-24033

HIGH

fs.com S3900 - Auth Bypass

Title source: llm

Description

An issue was discovered in fs.com S3900 24T4S 1.7.0 and earlier. The form does not have an authentication or token authentication mechanism that allows remote attackers to forge requests on behalf of a site administrator to change all settings including deleting users, creating new users with escalated privileges.

Exploits (2)

gitlab WORKING POC
by M0NsTeRRR · poc
https://gitlab.com/M0NsTeRRR/CVE-2020-24033
nomisec WORKING POC
by M0NsTeRRR · poc
https://github.com/M0NsTeRRR/CVE-2020-24033

Scores

CVSS v3 8.8
EPSS 0.0120
EPSS Percentile 79.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-352
Status published
Products (1)
fs/s3900_24t4s_firmware < 1.7.0
Published Oct 22, 2020
Tracked Since Feb 18, 2026