CVE-2020-2509
Confirmed PUBLISHEDCommand Injection Vulnerability in QTS and QuTS hero
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
A command injection vulnerability has been reported to affect QTS and QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. We have already fixed this vulnerability in the following versions: QTS 4.5.2.1566 Build 20210202 and later QTS 4.5.1.1495 Build 20201123 and later QTS 4.3.6.1620 Build 20210322 and later QTS 4.3.4.1632 Build 20210324 and later QTS 4.3.3.1624 Build 20210416 and later QTS 4.2.6 Build 20210327 and later QuTS hero h4.5.1.1491 build 20201119 and later
- CVE Published
- Apr 17, 2021
- Exploitation Reported
- Apr 11, 2022
- CVSS
- 9.8 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| QNAP Systems Inc. |
QTS
|
unspecified to < 4.5.2.1566 Build 20210202 |
Affected |
| QNAP Systems Inc. |
QTS
|
unspecified to < 4.5.1.1495 Build 20201123 |
Affected |
| QNAP Systems Inc. |
QTS
|
unspecified to < 4.3.6.1620 Build 20210322 |
Affected |
| QNAP Systems Inc. |
QTS
|
unspecified to < 4.3.4.1632 Build 20210324 |
Affected |
| QNAP Systems Inc. |
QTS
|
unspecified to < 4.3.3.1624 Build 20210416 |
Affected |
| QNAP Systems Inc. |
QTS
|
unspecified to < 4.2.6 Build 20210327 |
Affected |
| QNAP Systems Inc. |
QuTS hero
|
unspecified to < h4.5.1.1491 build 20201119 |
Affected |
CVE References
- qnap.com/en/security-advisory/qsa-21-05 qnap.com · CVE Record https://www.qnap.com/en/security-advisory/qsa-21-05
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 |
|---|---|
| CISA First | 2022-04-11 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
Exploitation Status
Exploited in the wild
Recorded 2022-04-11 00:00:00 UTC · CISA
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
03:50 UTC over 5 years ago03:50 UTC · over 5 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 6 years ago00:00 UTC · over 6 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-2020-2509
{
"cve_id": "CVE-2020-2509",
"title": "Command Injection Vulnerability in QTS and QuTS hero",
"affected_vendor": "QNAP Systems Inc.",
"affected_product": "QTS, QuTS hero",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}