CVE-2025-35434 (GCVE-0-2025-35434)
Vulnerability from cvelistv5
Published
2025-09-17 16:53
Modified
2025-09-17 16:53
Severity ?
4.2 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
2.3 (Low) - CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
2.3 (Low) - CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
VLAI Severity ?
EPSS score ?
CWE
- CWE-295 - Improper Certificate Validation
Summary
CISA Thorium does not validate TLS certificates when connecting to Elasticsearch. An unauthenticated attacker with access to a Thorium cluster could impersonate the Elasticsearch service. Fixed in 1.1.2.
References
{
"containers": {
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"status": "affected",
"version": "1.0.0",
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{
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"version": "1.1.2"
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"credits": [
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"lang": "en",
"value": ", OpenAI Security Research"
}
],
"datePublic": "2025-08-29T00:00:00.000Z",
"descriptions": [
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"lang": "en",
"value": "CISA Thorium does not validate TLS certificates when connecting to Elasticsearch. An unauthenticated attacker with access to a Thorium cluster could impersonate the Elasticsearch service. Fixed in 1.1.2."
}
],
"metrics": [
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"attackVector": "ADJACENT_NETWORK",
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"baseScore": 4.2,
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"confidentialityImpact": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW"
}
},
{
"other": {
"content": {
"id": "CVE-2025-35434",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-09-02T14:36:27.738818Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
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"cweId": "CWE-295",
"description": "CWE-295 Improper Certificate Validation",
"lang": "en",
"type": "CWE"
}
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}
],
"providerMetadata": {
"dateUpdated": "2025-09-17T16:53:08.899Z",
"orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
"shortName": "cisa-cg"
},
"references": [
{
"name": "url",
"url": "https://github.com/cisagov/thorium/releases/tag/1.1.2"
},
{
"name": "url",
"url": "https://github.com/cisagov/thorium/blob/main/api/src/models/backends/setup/elastic_setup.rs#L36-L43"
},
{
"name": "url",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-35434"
},
{
"name": "url",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json"
}
],
"title": "CISA Thorium does not validate TLS connections to Elasticsearch"
}
},
"cveMetadata": {
"assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
"assignerShortName": "cisa-cg",
"cveId": "CVE-2025-35434",
"datePublished": "2025-09-17T16:53:08.899Z",
"dateReserved": "2025-04-15T20:57:14.280Z",
"dateUpdated": "2025-09-17T16:53:08.899Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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