CISA KEV · Known exploitedHigh

CVE-2022-24990

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.

CVSS
7.5
EPSS
83.5%
99.7% percentile
CISA KEV
Listed
Published
2023.02.08
PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV
Exploit probability83.5%
Technical severityCVSS 7.5

Vulnerability overview

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 product and versions

Product
TerraMaster TerraMaster OS
Affected versions
< 4.2.31
Fixed versions
4.2.31

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
CISA required action

Apply updates per vendor instructions.

Due date: 2023.03.03
  1. 1
    Identify

    Confirm that TerraMaster TerraMaster OS and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-306
KEV added
2023.02.10
Ransomware use
확인됨
CVE-2022-24990 — TerraMaster TerraMaster OS | SECUFOCUS NOW