Exploitation evidence
Known exploited · CISA KEV listed
Added 2022-09-08. Ransomware campaign use: Known.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-09-29. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
QNAP Systems Inc. / Photo Station
Default status: Not specified
- affected: unspecified to < 6.1.2 (custom)
QNAP Systems Inc. / Photo Station
Default status: Not specified
- affected: unspecified to < 6.0.22 (custom)
QNAP Systems Inc. / Photo Station
Default status: Not specified
- affected: unspecified to < 6.0.22 (custom)
QNAP Systems Inc. / Photo Station
Default status: Not specified
- affected: unspecified to < 5.7.18 (custom)
QNAP Systems Inc. / Photo Station
Default status: Not specified
- affected: unspecified to < 5.4.15 (custom)
QNAP Systems Inc. / Photo Station
Default status: Not specified
- affected: unspecified to < 5.2.14 (custom)
Fixes and workarounds
QNAP have already fixed the vulnerability in the following versions: QTS 5.0.1: Photo Station 6.1.2 and later QTS 5.0.0/4.5.x: Photo Station 6.0.22 and later QTS 4.3.6: Photo Station 5.7.18 and later QTS 4.3.3: Photo Station 5.4.15 and later QTS 4.2.6: Photo Station 5.2.14 and later
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.87908,
"percentile": 0.99766
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.87908,
"percentile": 0.99765
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.87908,
"percentile": 0.99765
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.87908,
"percentile": 0.99765
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.87908,
"percentile": 0.99764
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.87908,
"percentile": 0.99764
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.87908,
"percentile": 0.99764
}05 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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}
],
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},
"title": "DeadBolt Ransomware",
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"assignerShortName": "qnap",
"cveId": "CVE-2022-27593",
"datePublished": "2022-09-08T11:00:15.069Z",
"dateReserved": "2022-03-21T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:15:35.935Z",
"state": "PUBLISHED"
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}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.87908,
"percentile": 0.99764
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.87908,
"percentile": 0.99762
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.87908,
"percentile": 0.99762
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2022-27593",
"cwes": [
"CWE-610"
],
"dateAdded": "2022-09-08",
"dueDate": "2022-09-29",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://www.qnap.com/en/security-advisory/qsa-22-24; https://nvd.nist.gov/vuln/detail/CVE-2022-27593",
"product": "Photo Station",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "Certain QNAP NAS running Photo Station with internet exposure contain an externally controlled reference to a resource vulnerability which can allow an attacker to modify system files. This vulnerability was observed being utilized in a Deadbolt ransomware campaign.",
"vendorProject": "QNAP",
"vulnerabilityName": "QNAP Photo Station Externally Controlled Reference Vulnerability"
}