150 lines
6.5 KiB
JSON
150 lines
6.5 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-93634",
|
|
"assignerOrgId": "9974b330-7714-4307-a722-5648477acda7",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "rapid7",
|
|
"dateReserved": "2026-09-18T12:22:34.912Z",
|
|
"datePublished": "2026-10-23T13:26:11.070Z",
|
|
"dateUpdated": "2026-10-28T19:50:45.601Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "9974b330-7714-4307-a722-5648477acda7",
|
|
"shortName": "rapid7",
|
|
"dateUpdated": "2026-10-23T13:26:11.070Z"
|
|
},
|
|
"title": "Zimbra Collaboration Suite Cross-Account Authorization Bypass via Forged Shared-File Records",
|
|
"datePublic": "2026-10-23T12:55:00.000Z",
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"cweId": "CWE-639",
|
|
"description": "CWE-639 Authorization bypass through User-Controlled key",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "Zimbra",
|
|
"product": "Zimbra Collaboration Suite",
|
|
"versions": [
|
|
{
|
|
"status": "affected",
|
|
"version": "0",
|
|
"lessThanOrEqual": "10.1.20",
|
|
"versionType": "semver"
|
|
}
|
|
],
|
|
"defaultStatus": "unaffected"
|
|
}
|
|
],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "A cross-account authorization vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user to insert forged shared-file records into another user's mailbox through FileSharedWithMeRequest. The request bypasses delegated-account authorization and accepts attacker-selected file metadata, owner identifiers and declared sizes without validating a corresponding document share. An attacker can plant entries attributed to another real local account without that account sharing a document. No victim interaction is required. ZCS 10.1.16 and 10.1.20 are affected.",
|
|
"supportingMedia": [
|
|
{
|
|
"type": "text/html",
|
|
"base64": false,
|
|
"value": "A cross-account authorization vulnerability in Zimbra Collaboration Suite (ZCS) allows an authenticated user to insert forged shared-file records into another user's mailbox through FileSharedWithMeRequest. The request bypasses delegated-account authorization and accepts attacker-selected file metadata, owner identifiers and declared sizes without validating a corresponding document share. An attacker can plant entries attributed to another real local account without that account sharing a document. No victim interaction is required. ZCS 10.1.16 and 10.1.20 are affected."
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories",
|
|
"tags": [
|
|
"vendor-advisory"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1/",
|
|
"tags": [
|
|
"related"
|
|
]
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "GENERAL"
|
|
}
|
|
],
|
|
"cvssV3_1": {
|
|
"version": "3.1",
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"privilegesRequired": "LOW",
|
|
"userInteraction": "NONE",
|
|
"scope": "UNCHANGED",
|
|
"confidentialityImpact": "NONE",
|
|
"integrityImpact": "LOW",
|
|
"availabilityImpact": "NONE",
|
|
"baseSeverity": "MEDIUM",
|
|
"baseScore": 4.3,
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
|
|
}
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Jonah Burgess (CryptoCat), Senior Security Researcher, Rapid7",
|
|
"type": "finder"
|
|
}
|
|
],
|
|
"source": {
|
|
"discovery": "UNKNOWN"
|
|
},
|
|
"x_generator": {
|
|
"engine": "Vulnogram 1.0.5"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-10-28T17:49:07.226549Z",
|
|
"id": "CVE-2026-93634",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-10-28T19:50:45.601Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |