Exploitation evidence
Known exploited · CISA KEV listed
Added 2021-11-03. Ransomware campaign use: Known.
CISA required action: Apply updates per vendor instructions.
CISA due date: 2022-05-03. 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
DotNetNuke / DotNetNuke CMS Fixed in 9.1.1
Default status: Not specified
- affected: DotNetNuke CMS Fixed in 9.1.1
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
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": 0.94789,
"percentile": 0.99861
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.94789,
"percentile": 0.9986
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.94789,
"percentile": 0.9986
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.94789,
"percentile": 0.99859
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.94789,
"percentile": 0.99859
}07 Nov 2026, 00:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T17:18:01.962Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
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"references": [
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"x_transferred"
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},
{
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],
"url": "http://www.dnnsoftware.com/community/security/security-center"
},
{
"tags": [
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"x_transferred"
],
"url": "http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2017-9822",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-07T13:41:35.596224Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
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"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-9822"
},
"type": "kev"
}
}
],
"problemTypes": [
{
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"description": "CWE-94 Improper Control of Generation of Code ('Code Injection')",
"lang": "en",
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]
}
],
"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"references": [
{
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],
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}
],
"timeline": [
{
"lang": "en",
"time": "2021-11-03T00:00:00.000Z",
"value": "CVE-2017-9822 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "DotNetNuke CMS Fixed in 9.1.1",
"vendor": "DotNetNuke",
"versions": [
{
"status": "affected",
"version": "DotNetNuke CMS Fixed in 9.1.1"
}
]
}
],
"datePublic": "2017-07-20T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "DNN (aka DotNetNuke) before 9.1.1 has Remote Code Execution via a cookie, aka \"2017-08 (Critical) Possible remote code execution on DNN sites.\""
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Remote Code Execution via untrusted deserialization of Xml data",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2020-04-03T04:06:00.000Z",
"orgId": "eb103674-0d28-4225-80f8-39fb86215de0",
"shortName": "hpe"
},
"references": [
{
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"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/102213"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "http://www.dnnsoftware.com/community/security/security-center"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security-alert@hpe.com",
"ID": "CVE-2017-9822",
"STATE": "PUBLIC"
},
"affects": {
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{
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{
"product_name": "DotNetNuke CMS Fixed in 9.1.1",
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"description": {
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{
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}
]
},
"problemtype": {
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"description": [
{
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"value": "Remote Code Execution via untrusted deserialization of Xml data"
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},
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{
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},
{
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"refsource": "CONFIRM",
"url": "http://www.dnnsoftware.com/community/security/security-center"
},
{
"name": "http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/157080/DotNetNuke-Cookie-Deserialization-Remote-Code-Execution.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "eb103674-0d28-4225-80f8-39fb86215de0",
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"cveId": "CVE-2017-9822",
"datePublished": "2017-07-20T12:00:00.000Z",
"dateReserved": "2017-06-22T00:00:00.000Z",
"dateUpdated": "2025-10-21T23:55:36.233Z",
"state": "PUBLISHED"
},
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}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.94789,
"percentile": 0.99859
}05 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.94789,
"percentile": 0.99859
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.94789,
"percentile": 0.99859
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.94789,
"percentile": 0.99859
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.94789,
"percentile": 0.99859
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2017-9822",
"cwes": [
"CWE-20"
],
"dateAdded": "2021-11-03",
"dueDate": "2022-05-03",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://nvd.nist.gov/vuln/detail/CVE-2017-9822",
"product": "DotNetNuke (DNN)",
"requiredAction": "Apply updates per vendor instructions.",
"shortDescription": "DotNetNuke (DNN) contains a vulnerability that may allow for remote code execution via cookie deserialization.",
"vendorProject": "DotNetNuke (DNN)",
"vulnerabilityName": "DotNetNuke (DNN) Remote Code Execution Vulnerability"
}