170 lines
7.0 KiB
JSON
170 lines
7.0 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-2026-31848",
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"assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
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"state": "PUBLISHED",
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"assignerShortName": "TuranSec",
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"dateReserved": "2026-03-09T18:20:23.399Z",
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"datePublished": "2026-03-23T12:09:30.338Z",
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"dateUpdated": "2026-08-10T11:43:41.847Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
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"shortName": "TuranSec",
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"dateUpdated": "2026-08-10T11:43:41.847Z"
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},
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"title": "Reversible ecos_pw Cookie Allows Authentication Bypass in Nexxt Nebula 300+",
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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-312",
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"description": "CWE-312 Cleartext Storage of Sensitive Information",
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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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"impacts": [
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{
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"descriptions": [
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{
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"lang": "en",
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"value": "An attacker who obtains or reconstructs the ecos_pw cookie value can authenticate as an administrator and gain unauthorized access to the device."
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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": "Nexxt Solutions",
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"product": "Nebula 300+",
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"versions": [
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{
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"status": "affected",
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"version": "<= 12.01.01.37"
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}
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],
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"defaultStatus": "affected"
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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": "Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 uses the ecos_pw cookie for authentication, which contains Base64-encoded credential data combined with a static suffix. Because the encoding is reversible and lacks integrity protection, an attacker can reconstruct or forge a valid cookie value without proper authentication.",
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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": "<p>Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 uses the ecos_pw cookie for authentication, which contains Base64-encoded credential data combined with a static suffix. Because the encoding is reversible and lacks integrity protection, an attacker can reconstruct or forge a valid cookie value without proper authentication.</p>"
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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://www.nexxtsolutions.com/connectivity/internal-products/ARN02304U6/",
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"name": "Official product page",
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"tags": [
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"third-party-advisory"
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]
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},
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{
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"url": "https://nexxt-connectivity-frontend.s3.amazonaws.com/media/docs/Nebula300+_v12.01.01.37.zip",
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"name": "Firmware download",
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"tags": [
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"third-party-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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"cvssV4_0": {
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"attackVector": "ADJACENT",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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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": "HIGH",
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"baseScore": 8.7,
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"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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": "Angel Barre (call4pwn)",
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"type": "finder"
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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": "Vulnogram 1.0.1"
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},
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"datePublic": "2026-03-23T12:09:30.338Z"
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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": "2026-03-23T15:16:34.823978Z",
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"id": "CVE-2026-31848",
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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": "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": "2026-03-23T15:51:59.795Z"
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}
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}
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]
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}
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} |