217 lines
8.8 KiB
JSON
217 lines
8.8 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2017-20290",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-10-14T20:25:25.755Z",
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"datePublished": "2026-10-22T10:57:24.711Z",
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"dateUpdated": "2026-11-05T17:17:02.518Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-10-22T10:57:24.711Z"
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},
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"datePublic": "2017-10-09T00:00:00.000Z",
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"title": "Discourse < 1.9.0.beta13 Reflected XSS via /email/unsubscribed",
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"descriptions": [
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{
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"lang": "en",
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"value": "Discourse 1.9.0.beta2 before 1.9.0.beta13 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the email parameter of /email/unsubscribed. Attackers can craft GET requests with SVG onload payloads, which unsubscribed.html.erb renders unescaped via html_safe, executing JavaScript in victims' browsers. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19."
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}
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],
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"tags": [
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"x_known-exploited-vulnerability",
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"unsupported-when-assigned"
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
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"cweId": "CWE-79",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"defaultStatus": "unaffected",
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"vendor": "Discourse",
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"product": "Discourse",
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"versions": [
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{
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"version": "1.9.0.beta2",
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"status": "affected",
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"versionType": "custom",
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"lessThan": "1.9.0.beta13"
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}
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],
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"repo": "https://github.com/discourse/discourse",
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"packageURL": "pkg:github/discourse/discourse"
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "1.9.0.beta2",
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"versionEndExcluding": "1.9.0.beta13"
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}
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]
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}
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "ACTIVE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "LOW",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 5.1,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
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}
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},
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "CHANGED",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"version": "3.1",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.1,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
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}
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}
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],
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"references": [
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{
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"url": "https://github.com/discourse/discourse/commit/a6f2533d38",
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"name": "Fix Commit",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/discourse/discourse/commit/6e37f09b19",
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"name": "Introducing Commit",
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"tags": [
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"technical-description",
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"patch"
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]
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},
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{
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"url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/discourse-xss.yaml",
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"name": "Nuclei Template",
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"tags": [
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"technical-description"
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]
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},
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{
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"name": "VulnCheck Advisory: Discourse < 1.9.0.beta13 Reflected XSS via /email/unsubscribed",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/discourse-1.9.0-beta13-reflected-xss-via-email-unsubscribed"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "The Shadowserver Foundation",
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"type": "reporter"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "vulncheck-kclub"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-11-05T17:16:47.946641Z",
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"id": "CVE-2017-20290",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-05T17:17:02.518Z"
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}
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}
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]
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}
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} |