150 lines
6.5 KiB
JSON
150 lines
6.5 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-2026-41893",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-04-22T15:11:54.671Z",
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"datePublished": "2026-05-09T19:12:10.082Z",
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"dateUpdated": "2026-05-14T17:50:55.289Z"
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},
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"containers": {
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"cna": {
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"title": "Signal K Server's WebSocket Login Endpoint Lacks Rate Limiting (Credential Brute-Force)",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-307",
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"lang": "en",
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"description": "CWE-307: Improper Restriction of Excessive Authentication Attempts",
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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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"metrics": [
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{
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"cvssV4_0": {
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"attackVector": "NETWORK",
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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": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "NONE",
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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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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0"
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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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"name": "https://github.com/SignalK/signalk-server/security/advisories/GHSA-vmfm-ch9h-5c7g",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/SignalK/signalk-server/security/advisories/GHSA-vmfm-ch9h-5c7g"
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},
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{
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"name": "https://github.com/SignalK/signalk-server/pull/2568",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/SignalK/signalk-server/pull/2568"
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},
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{
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"name": "https://github.com/SignalK/signalk-server/commit/215d81eb700d5419c3396a0fbf23f2e246dfac2d",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/SignalK/signalk-server/commit/215d81eb700d5419c3396a0fbf23f2e246dfac2d"
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},
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{
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"name": "https://github.com/SignalK/signalk-server/releases/tag/v2.25.0",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/SignalK/signalk-server/releases/tag/v2.25.0"
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}
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],
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"affected": [
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{
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"vendor": "SignalK",
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"product": "signalk-server",
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"versions": [
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{
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"version": "< 2.25.0",
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"status": "affected"
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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": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-05-09T19:12:10.082Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Signal K Server is a server application that runs on a central hub in a boat. Prior to version 2.25.0, the HTTP login endpoints (POST /login and POST /signalk/v1/auth/login) are protected by express-rate-limit (default: 100 attempts per 10-minute window, configurable via HTTP_RATE_LIMITS). The WebSocket login path — sending {login: {username, password}} messages over an established WebSocket connection — calls app.securityStrategy.login() directly without any rate limiting. An attacker can bypass HTTP rate limiting entirely by opening a WebSocket connection and attempting unlimited password guesses at the speed bcrypt allows (~20 attempts/sec with 10 salt rounds). This issue has been patched in version 2.25.0."
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}
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],
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"source": {
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"advisory": "GHSA-vmfm-ch9h-5c7g",
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"discovery": "UNKNOWN"
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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/SignalK/signalk-server/security/advisories/GHSA-vmfm-ch9h-5c7g",
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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": "2026-05-14T17:50:07.187900Z",
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"id": "CVE-2026-41893",
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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": "yes"
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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": "2026-05-14T17:50:55.289Z"
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}
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}
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]
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}
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} |