Vulnerabilities

Vulnerability · CVE-2022-24990

TerraMaster OS Remote Command Execution Vulnerability

Published Apr 11, 2022 · catalog updated Jun 16, 2026 · TerraMaster TerraMaster OS

Patch now

CVE-2022-24990 is in the CISA known-exploited catalog, due Mar 3, 2023. Confirm TerraMaster TerraMaster OS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High7.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
83.17%
Remediation
Remediation guidance
Affected products
cpe terra-master/terramaster operating system · stated TerraMaster OS · vendor TerraMaster TerraMaster OS

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe terra-master/terramaster operating systemversion unspecified
  • stated TerraMaster OS<= 4.2.29
  • vendor TerraMaster TerraMaster OSversion unspecified

How to fix CVE-2022-24990

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-24990 is in the CISA known-exploited catalog, due Mar 3, 2023. Confirm TerraMaster TerraMaster OS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with TerraMaster OS <= 4.2.29. Apply updates per vendor instructions.

What should an analyst verify?

CWE-306: Missing Authentication for Critical Function. EPSS 83.17%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 7, 2023 · Catalog

    Detected

    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.

  2. Feb 10, 2023 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Mar 3, 2023 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2022-24990

    TerraMaster OS contains a remote command execution vulnerability that allows an unauthenticated user to execute commands on the target endpoint.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-24990

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-24990

    30-day exploitation probability 83.2%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/terramaster_unauth_rce_cve_2022_24990

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2022-24990

    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.

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/172904/TerraMaster-TOS-4.2.29-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2022-24990

    TerraMaster OS contains a remote command execution vulnerability that allows an unauthenticated user to execute commands on the target endpoint.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.