203 lines
9.2 KiB
JSON
203 lines
9.2 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-2026-34181",
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"assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
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"state": "PUBLISHED",
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"assignerShortName": "openssl",
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"dateReserved": "2026-03-26T09:29:36.013Z",
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"datePublished": "2026-06-09T16:03:22.065Z",
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"dateUpdated": "2026-06-10T16:02:19.675Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"product": "OpenSSL",
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"vendor": "OpenSSL",
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"versions": [
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{
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"lessThan": "4.0.1",
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"status": "affected",
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"version": "4.0.0",
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"versionType": "semver"
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},
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{
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"lessThan": "3.6.3",
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"status": "affected",
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"version": "3.6.0",
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"versionType": "semver"
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},
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{
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"lessThan": "3.5.7",
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"status": "affected",
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"version": "3.5.0",
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"versionType": "semver"
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},
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{
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"lessThan": "3.4.6",
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"status": "affected",
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"version": "3.4.0",
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"versionType": "semver"
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}
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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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"type": "reporter",
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"value": "Pavol Žáčik (Red Hat)"
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},
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{
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"lang": "en",
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"type": "reporter",
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"value": "Alex Gaynor (Anthropic)"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Alicja Kario (Red Hat)"
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}
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],
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"datePublic": "2026-06-09T14:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "Issue Summary: The PKCS#12 file processing fails to perform sufficient input<br>validation for files that use Password-Based Message Authentication Code 1<br>(PBMAC1) integrity mechanism allowing a certificate and private key forgery.<br><br>Impact Summary: An attacker impersonating a user can cause a service reading<br>PKCS#12 files to accept forged certificates and private keys with a 1 in 256<br>probability.<br><br>If a service accepting PKCS#12 files is using passwords for authenticating<br>the received files, the attacker can create unencrypted PKCS#12 files that<br>use PBMAC1 authentication that specifies an HMAC key of only one byte, allowing<br>them to craft a file that will be accepted with a 1 in 256 probability.<br>That would then cause the service to accept a certificate and private key<br>controlled by the attacker.<br><br>The FIPS modules are not affected by this issue, as the affected code is<br>outside the OpenSSL FIPS module boundary."
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}
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],
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"value": "Issue Summary: The PKCS#12 file processing fails to perform sufficient input\nvalidation for files that use Password-Based Message Authentication Code 1\n(PBMAC1) integrity mechanism allowing a certificate and private key forgery.\n\nImpact Summary: An attacker impersonating a user can cause a service reading\nPKCS#12 files to accept forged certificates and private keys with a 1 in 256\nprobability.\n\nIf a service accepting PKCS#12 files is using passwords for authenticating\nthe received files, the attacker can create unencrypted PKCS#12 files that\nuse PBMAC1 authentication that specifies an HMAC key of only one byte, allowing\nthem to craft a file that will be accepted with a 1 in 256 probability.\nThat would then cause the service to accept a certificate and private key\ncontrolled by the attacker.\n\nThe FIPS modules are not affected by this issue, as the affected code is\noutside the OpenSSL FIPS module boundary."
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}
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],
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"metrics": [
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{
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"format": "other",
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"other": {
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"content": {
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"text": "Low"
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},
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"type": "https://openssl-library.org/policies/general/security-policy/"
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}
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}
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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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"cweId": "CWE-354",
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"description": "CWE-354 Improper Validation of Integrity Check Value",
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"lang": "en",
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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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"providerMetadata": {
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"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
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"shortName": "openssl",
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"dateUpdated": "2026-06-10T07:47:53.712Z"
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},
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"references": [
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{
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"name": "OpenSSL Advisory",
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"tags": [
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"vendor-advisory"
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],
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"url": "https://openssl-library.org/news/secadv/20260609.txt"
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},
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{
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"name": "4.0.1 git commit",
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"tags": [
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"patch"
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],
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"url": "https://github.com/openssl/openssl/commit/0300eb9ddce7a0895bf301a4b0c03a9da2313a0f"
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},
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{
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"name": "3.6.3 git commit",
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"tags": [
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"patch"
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],
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"url": "https://github.com/openssl/openssl/commit/ec36f2417c4ddd8cabce4b4a60a3d7a7365f2d81"
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},
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{
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"name": "3.5.7 git commit",
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"tags": [
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"patch"
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],
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"url": "https://github.com/openssl/openssl/commit/85dcbb3abaa4878af5c8fbbe11bce708fcf984a7"
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},
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{
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"name": "3.4.6 git commit",
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"tags": [
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"patch"
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],
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"url": "https://github.com/openssl/openssl/commit/79eb76a937e474bb7610a0a3dc57131dc8dc6610"
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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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"title": "PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys",
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"x_generator": {
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"engine": "Vulnogram 0.2.0"
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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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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.4,
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"attackVector": "NETWORK",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "HIGH",
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"availabilityImpact": "NONE",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "HIGH"
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}
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},
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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": "2026-06-10T16:01:11.685759Z",
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"id": "CVE-2026-34181",
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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": "2026-06-10T16:02:19.675Z"
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}
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}
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]
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}
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} |