CVE-2022-24990 (GCVE-0-2022-24990)
Vulnerability from cvelistv5 – Published: 2023-02-07 00:00 – Updated: 2025-10-21 23:15Summary
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.
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2023-12-22 05:01 UTC
CWE
- n/a
- CWE-306 - Missing Authentication for Critical Function
Assigner
References
6 references
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 003c8cb9-5a7c-474f-9436-fc517d9079cd
Exploited: Yes
Timestamps
First Seen: 2023-02-10
Asserted: 2023-02-10
Scope
Notes: KEV entry: TerraMaster OS Remote Command Execution Vulnerability | Affected: TerraMaster / TerraMaster OS | Description: TerraMaster OS contains a remote command execution vulnerability that allows an unauthenticated user to execute commands on the target endpoint. | Required action: Apply updates per vendor instructions. | Due date: 2023-03-03 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://forum.terra-master.com/en/viewtopic.php?t=3030; https://nvd.nist.gov/vuln/detail/CVE-2022-24990
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-306 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | TerraMaster OS |
| Due Date | 2023-03-03 |
| Date Added | 2023-02-10 |
| Vendorproject | TerraMaster |
| Vulnerabilityname | TerraMaster OS Remote Command Execution Vulnerability |
| Knownransomwarecampaignuse | Known |
References
Created: 2026-02-02 12:27 UTC
| Updated: 2026-02-06 07:17 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 2773e1f8-d093-4afb-a4ae-a803bb71b2fd
Exploited: Yes
Characteristics
Severity:
0.0
Timestamps
First Seen: 2023-10-14
Asserted: 2023-10-14
Last Seen: 2026-07-19
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Terramaster / TOS | Class: nas | Severity: None (CVSS 0) | IoT: yes | In CISA KEV: yes | Honeypot connections on 2026-07-19: 1
Evidence
Type: Honeypot
Signal: In The Wild Attempts
Confidence: 70%
Source: shadowserver
Details
| 1D | 1 |
|---|---|
| Iot | yes |
| Feed | Shadowserver Foundation honeypot/exploited-vulnerabilities |
| Type | http-scan |
| Class | nas |
| 7D Avg | 1 |
| Vendor | Terramaster |
| 30D Avg | 3 |
| 90D Avg | 3 |
| Product | TOS |
| Cisa Kev | yes |
| Connections | 1 |
| Observation Date | 2026-07-19 |
| Vulnerability Class | CVSS |
| Vulnerability Score | 0 |
| Vulnerability Severity | None |
References
Created: 2026-06-30 09:22 UTC
| Updated: 2026-07-21 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: db2704f3-0d14-4df3-b1cc-a56d846fe28e
Exploited: Yes
Timestamps
First Seen: 2023-02-10
Asserted: 2023-02-10
Scope
Notes: KEVIntel entry: TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative password by sending "User-Agent: TNAS" to... | Affected: TerraMaster / NAS | CVSS: 7.5 (HIGH) | EPSS: 0.8405 | Used in malware: yes | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Confirmed Compromise
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | TerraMaster NAS 4.2.29 and earlier allows remote attackers to discover the administrative password by sending "User-Agent: TNAS" to... |
| Vendor | TerraMaster |
| Product | NAS |
| Added Date | 2023-02-10T00:00:00.000Z |
| Cvss Score | 7.5 |
| Epss Score | 0.8405 |
| Cvss Severity | HIGH |
| Epss Percentile | 0.99661 |
| Used In Malware | yes |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 14:05 UTC
| Updated: 2026-07-10 06:14 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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