173 lines
6.6 KiB
JSON
173 lines
6.6 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-2026-11771",
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"assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
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"state": "PUBLISHED",
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"assignerShortName": "OpenVPN",
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"dateReserved": "2026-06-09T11:44:10.570Z",
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"datePublished": "2026-07-30T16:36:41.087Z",
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"dateUpdated": "2026-07-30T18:04:42.335Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e",
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"shortName": "OpenVPN",
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"dateUpdated": "2026-07-30T16:36:41.087Z"
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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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"cweId": "CWE-193",
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"description": "CWE-193 Off-by-one error",
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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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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-121",
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"description": "CWE-121 Stack-based buffer overflow",
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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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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-787",
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"description": "CWE-787 Out-of-bounds write",
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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": "OpenVPN",
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"product": "OpenVPN",
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"versions": [
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{
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"status": "affected",
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"version": "2.1.0",
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"lessThanOrEqual": "2.6.20",
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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": "2.7_alpha1",
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"lessThanOrEqual": "2.7.4",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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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": "OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server"
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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": "HIGH",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "HIGH",
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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": "HIGH",
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"baseScore": 7,
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"vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"
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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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"tags": [
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"vendor-advisory"
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],
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"url": "https://community.openvpn.net/Security%20Announcements/CVE-2026-11771"
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},
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{
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"url": "https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026",
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"tags": [
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"release-notes"
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]
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},
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{
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"url": "https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026",
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"tags": [
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"release-notes"
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]
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}
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],
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"x_generator": {
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"engine": "cvelib 1.8.0"
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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": "2026-07-30T18:04:28.530958Z",
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"id": "CVE-2026-11771",
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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": "2026-07-30T18:04:42.335Z"
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}
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}
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]
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}
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} |