CVE-2023-50358
High PUBLISHEDQTS, QuTS hero, QuTScloud
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QTS 4.5.4.2627 build 20231225 and later QTS 4.3.6.2665 build 20240131 and later QTS 4.3.4.2675 build 20240131 and later QTS 4.3.3.2644 build 20240131 and later QTS 4.2.6 build 20240131 and later QuTS hero h5.1.5.2647 build 20240118 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later
- CVE Published
- Feb 13, 2024
- Exploitation Reported
- Oct 26, 2025
- CVSS
- 5.8 Medium
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| QNAP Systems Inc. |
QTS
|
5.x to < 5.1.5.2645 build 20240116 |
Affected |
| QNAP Systems Inc. |
QTS
|
4.5.x, 4.4.x to < 4.5.4.2627 build 20231225 |
Affected |
| QNAP Systems Inc. |
QTS
|
4.3.6, 4.3.5 to < 4.3.6.2665 build 20240131 |
Affected |
| QNAP Systems Inc. |
QTS
|
4.3.4 to < 4.3.4.2675 build 20240131 |
Affected |
| QNAP Systems Inc. |
QTS
|
4.3.x to < 4.3.3.2644 build 20240131 |
Affected |
| QNAP Systems Inc. |
QTS
|
4.2.x to < 4.2.6 build 20240131 |
Affected |
| QNAP Systems Inc. |
QuTS hero
|
h5.x to < h5.1.5.2647 build 20240118 |
Affected |
| QNAP Systems Inc. |
QuTS hero
|
h4.x to < h4.5.4.2626 build 20231225 |
Affected |
| QNAP Systems Inc. |
QuTScloud
|
c5.x to < c5.1.5.2651 |
Affected |
CVE References
- qnap.com/en/security-advisory/qsa-23-57 qnap.com · CVE Record https://www.qnap.com/en/security-advisory/qsa-23-57
- unit42.paloaltonetworks.com/qnap-qts-firmware-cve-2023-50358 unit42.paloaltonetworks.com · CVE Record https://unit42.paloaltonetworks.com/qnap-qts-firmware-cve-2023-50358/
- bsi.bund.de/SharedDocs/Cybersicherheitswarnungen/DE/2024... bsi.bund.de · CVE Record https://www.bsi.bund.de/SharedDocs/Cybersicherheitswarnungen/DE/2024/...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-10-26 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Exploitation Status
Exploited in the wild
Recorded 2025-10-26 00:00:00 UTC · The Shadowserver
Weaknesses (CWE)
-
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC 9 months ago00:00 UTC · 9 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
02:45 UTC over 2 years ago02:45 UTC · over 2 years ago
CVE published
Vulnerability disclosed publicly
-
08:52 UTC over 2 years ago08:52 UTC · over 2 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-50358
{
"cve_id": "CVE-2023-50358",
"title": "QTS, QuTS hero, QuTScloud",
"affected_vendor": "QNAP Systems Inc.",
"affected_product": "QTS, QuTS hero, QuTScloud",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 5.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}