Actively exploited · Published Feb 7, 2023 · Assigned by mitre
CVE-2022-24990
Critical 9.8 Exploited Ransomware
In plain English
A critical-severity missing authentication in TerraMaster OS from TerraMaster. Attackers are actively exploiting it in the wild (listed by CISA on February 10, 2023). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 83.2% (higher than 99.7% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Mar 3, 2023.
Official description
TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative password by sending "User-Agent: TNAS" to module/api.php?mobile/webNasIPS and then reading the PWD field in the response.
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://forum.terra-master.com/en/viewforum.php?f=28
- https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=33732
- https://github.com/0xf4n9x/CVE-2022-24990
- https://octagon.net/blog/2022/03/07/cve-2022-24990-terrmaster-tos-unauthenticated-remote-command-execution-via-php-object-instantiation/
- http://packetstormsecurity.com/files/172904/TerraMaster-TOS-4.2.29-Remote-Code-Execution.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24990 government-resource