CVE-2022-24990
TerraMaster — TerraMaster OS Remote Command Execution Vulnerability
TerraMaster · CWE-306 · in CISA KEV since 2023-02-10
EVRS 86 of 100 Immediate
Patch Immediately
Rank 360 of 2,960 tracked
Why it scores 86
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and associated with known ransomware campaigns.
- CISA KEVApplied
- RansomwareApplied
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
terramaster operating system: update to 4.2.31 or later
Affected versions
- terramaster operating system
< 4.2.31 - f2-210
- f2-221
- f2-223
- f2-422
- f2-423
- f4-421
- f4-422
+22 more affected products; see the full list at NVD.
Remediation
Apply updates per vendor instructions.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 7.5 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.832 (99.68th pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Known | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2023-03-03 · KEV since 2023 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | Public module exists | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by mitre. | Listed | ENISA EUVD |
Description
NVDTerraMaster 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.
What CISA says to do
Public module
Metasploit lists a public excellent-rank module for this CVE: TerraMaster TOS 4.2.29 or lower - Unauthenticated RCE chaining CVE-2022-24990 and CVE-2022-24989 (linux/http/terramaster_unauth_rce_cve_2022_24990). A module existing is not the same as active exploitation; see metasploit.com.