245 lines
9.8 KiB
JSON
245 lines
9.8 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-2026-28753",
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"assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
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"state": "PUBLISHED",
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"assignerShortName": "f5",
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"dateReserved": "2026-03-18T16:06:38.435Z",
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"datePublished": "2026-03-24T14:13:26.107Z",
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"dateUpdated": "2026-03-24T15:24:34.995Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
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"shortName": "f5",
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"dateUpdated": "2026-03-24T14:49:49.169Z"
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},
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"title": "NGINX ngx_mail_proxy_module vulnerability",
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"datePublic": "2026-03-24T14:00:00.000Z",
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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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"cweId": "CWE-93",
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"description": "CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')",
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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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"vendor": "F5",
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"product": "NGINX Open Source",
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"modules": [
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"ngx_mail_proxy_module"
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],
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"versions": [
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{
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"status": "affected",
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"version": "1.29.0",
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"lessThan": "1.29.7",
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"versionType": "semver"
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},
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{
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"status": "affected",
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"version": "0.6.27",
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"lessThan": "1.28.3",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "F5",
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"product": "NGINX Plus",
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"modules": [
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"ngx_mail_proxy_module"
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],
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"versions": [
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{
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"status": "affected",
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"version": "R36",
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"lessThan": "R36 P3",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "R35",
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"lessThan": "R35 P2",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "R34",
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"lessThan": "*",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "R33",
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"lessThan": "*",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "R32",
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"lessThan": "R32 P5",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "NGINX Plus and NGINX Open Source have a vulnerability in the ngx_mail_smtp_module module due to the improper handling of CRLF sequences in DNS responses. This allows an attacker-controlled DNS server to inject arbitrary headers into SMTP upstream requests, leading to potential request manipulation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "NGINX Plus and NGINX Open Source have a vulnerability in the ngx_mail_smtp_module module due to the improper handling of CRLF sequences in DNS responses. This allows an attacker-controlled DNS server to inject arbitrary headers into SMTP upstream requests, leading to potential request manipulation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
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}
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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://my.f5.com/manage/s/article/K000160367",
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"tags": [
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"vendor-advisory"
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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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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"availabilityImpact": "NONE",
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"baseSeverity": "LOW",
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"baseScore": 3.7,
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A: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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"cvssV4_0": {
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"version": "4.0",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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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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"baseSeverity": "MEDIUM",
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"baseScore": 6.3,
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"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
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}
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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": "Asim Viladi Oglu Manizada",
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"type": "reporter"
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},
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{
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"lang": "en",
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"value": "Colin Warren",
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"type": "reporter"
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},
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{
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"lang": "en",
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"value": "Xiao Liu (Yunnan University)",
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"type": "reporter"
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},
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{
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"lang": "en",
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"value": "Yuan Tan (UC Riverside)",
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"type": "reporter"
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},
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{
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"lang": "en",
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"value": "Bird Liu (Lanzhou University)",
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"type": "reporter"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "F5 SIRTBot v1.0"
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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": "2026-03-24T15:24:28.689685Z",
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"id": "CVE-2026-28753",
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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": "2026-03-24T15:24:34.995Z"
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}
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}
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]
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}
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} |