CVE-2021-45837

CRITICAL EXPLOITED IN THE WILD

TerraMaster TOS 4.2.15 or lower - RCE chain from unauthenticated to root via session crafting.

Title source: metasploit

Description

It is possible to execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by sending a specifically crafted input to /tos/index.php?app/del.

Exploits (1)

metasploit WORKING POC EXCELLENT

rubypocunix

https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/terramaster_unauth_rce_cve_2021_45837.rb

View Code ZIP pw:eip

References (2)

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/172881/TerraMaster-TOS-4.2.15-Remote-Code-Execution.html

[Exploit, Third Party Advisory] https://thatsn0tmy.site/posts/2021/12/how-to-summon-rces/

Scores

CVSS v3 9.8

EPSS 0.8108

EPSS Percentile 99.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2024-07-25

InTheWild.io 2022-05-01

Status published

Products (1)

terra-master/tos 4.2.15-2107141517

Published Apr 25, 2022

Tracked Since Feb 18, 2026