189 lines
7.5 KiB
JSON
189 lines
7.5 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-2026-72840",
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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": "2026-08-10T15:13:41.486Z",
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"datePublished": "2026-08-13T21:54:39.948Z",
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"dateUpdated": "2026-09-30T17:20:23.228Z"
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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": "2026-09-30T17:20:23.228Z"
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},
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"datePublic": "2026-07-21T00:00:00.000Z",
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"title": "OpenWrt LuCI luci-mod-system-mounts ACL Root RCE via Crontab Write",
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"descriptions": [
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{
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"lang": "en",
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"value": "OpenWrt LuCI contains an overly permissive ACL definition in luci-mod-system-mounts that grants write access to /etc/crontabs/root to users intended only for mount configuration. Authenticated users with only the mount-configuration ACL group can append arbitrary cron entries via ubus file.write, which the default busybox crond daemon executes as root within one minute."
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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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"lang": "en",
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"description": "Incorrect Privilege Assignment",
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"cweId": "CWE-266",
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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": "openwrt",
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"product": "luci",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"versionType": "custom",
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"lessThanOrEqual": "24.10.8"
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},
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{
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"version": "25.12.0",
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"status": "affected",
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"versionType": "custom",
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"lessThanOrEqual": "25.12.5"
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}
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],
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"modules": [
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"luci-mod-system"
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]
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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:openwrt:luci:*:*:*:*:*:*:*:*"
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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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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 8.7,
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"baseSeverity": "HIGH"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 8.8,
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"baseSeverity": "HIGH"
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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/openwrt/luci/security/advisories/GHSA-v5f9-62c7-cw29",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-v5f9-62c7-cw29)"
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},
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{
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"name": "VulnCheck Advisory: OpenWrt LuCI luci-mod-system-mounts ACL Root RCE via Crontab Write",
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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/openwrt-luci-luci-mod-system-mounts-acl-root-rce-via-crontab-write"
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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": "lujiefsi",
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"type": "reporter"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/openwrt/luci/security/advisories/GHSA-v5f9-62c7-cw29",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-14T19:03:28.552422Z",
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"id": "CVE-2026-72840",
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"options": [
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{
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"Exploitation": "poc"
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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": "total"
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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": "2026-08-14T19:03:37.329Z"
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}
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}
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]
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}
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} |