CVE-2022-24990

Name: CVE-2022-24990
Creator: NVD / NIST
Published: 2023-02-07T18:15:09.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10Actively ExploitedEPSS 84.05%

Last modified Jun 17, 2026

CVE-2022-24990 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 84.05% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

84.05%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Mar 3, 2023.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Terra-Master	Terramaster Operating System	< 4.2.31

References

http://packetstormsecurity.com/files/172904/TerraMaster-TOS-4.2.29-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://forum.terra-master.com/en/viewforum.php?f=28Issue Tracking, Release Notes
https://github.com/0xf4n9x/CVE-2022-24990Exploit, Third Party Advisory
https://octagon.net/blog/2022/03/07/cve-2022-24990-terrmaster-tos-unauthenticated-remote-command-execution-via-php-object-instantiation/Exploit, Third Party Advisory
https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=33732Third Party Advisory
http://packetstormsecurity.com/files/172904/TerraMaster-TOS-4.2.29-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://forum.terra-master.com/en/viewforum.php?f=28Issue Tracking, Release Notes
https://github.com/0xf4n9x/CVE-2022-24990Exploit, Third Party Advisory
https://octagon.net/blog/2022/03/07/cve-2022-24990-terrmaster-tos-unauthenticated-remote-command-execution-via-php-object-instantiation/Exploit, Third Party Advisory
https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=33732Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-24990US Government Resource

Timeline

Published: Feb 7, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2022-24990?

How severe is CVE-2022-24990?

CVE-2022-24990 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 84.05% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2022-24990?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-24990?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST