Medium
Security advisory
SOGo before 2.3.12 and 3.x before 3.1.1 does not restrict access to the UID and DTSTAMP attributes, which allows remote authenticated users to obtain sensitive information about appointments with the "View the Date & Time" restriction, as demonstrated by correlating UIDs and DTSTAMPs between all users.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2016-6190
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:11 UTC · Revision 1
Source evidence
SOGo before 2.3.12 and 3.x before 3.1.1 does not restrict access to the UID and DTSTAMP attributes, which allows remote authenticated users to obtain sensitive information about appointments with the "View the Date & Time" restriction, as demonstrated by correlating UIDs and DTSTAMPs between all users.
osv:CVE-2016-6190
Complete source record
{
"id": "3e405f9f761fe5d04d87d385069820828a172861305d49f6c96b9261c1191c01",
"url": "https://osv.dev/vulnerability/CVE-2016-6190",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2016-6190",
"summary": "SOGo before 2.3.12 and 3.x before 3.1.1 does not restrict access to the UID and DTSTAMP attributes, which allows remote authenticated users to obtain sensitive information about appointments with the \"View the Date & Time\" restriction, as demonstrated by correlating UIDs and DTSTAMPs between all users.",
"evidence": "osv:CVE-2016-6190",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2016-6190",
"aliases": [
"CVE-2016-6190"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/Alinto/sogo",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "c5526bb70aef69b7be128f96a8d33ef99d4b97a5"
},
{
"introduced": "fe0221f6300bc92f0156f9dde4e58c1c8d3610e7"
},
{
"last_affected": "335621ba421f746b27dcc7184cde7ae769bf4538"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:inverse-inc:sogo:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.3.11"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:inverse-inc:sogo:3.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0.0"
},
{
"last_affected": "3.0.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:inverse-inc:sogo:3.0.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0.1"
},
{
"last_affected": "3.0.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:inverse-inc:sogo:3.0.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0.2"
},
{
"last_affected": "3.0.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:inverse-inc:sogo:3.1.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.1.0"
},
{
"last_affected": "3.1.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"3.0.0",
"3.0.1",
"3.0.2",
"3.1.0",
"SOGo-3.1.0",
"SOGo-2.3.11",
"SOGo-2.3.10",
"SOGo-2.3.9",
"SOGo-3.0.2",
"SOGo-2.3.8",
"SOGo-3.0.1",
"SOGo-3.0.0",
"SOGo-2.3.7a",
"SOGo-2.3.7",
"SOGo-2.3.6",
"SOGo-2.3.5",
"SOGo-2.3.4",
"SOGo-2.3.3a",
"SOGo-2.3.3",
"SOGo-2.3.2",
"SOGo-2.3.1",
"SOGo-2.3.0",
"SOGo-2.2.17a",
"SOGo-2.2.20",
"SOGo-2.0.2",
"SOGo-2.0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6190.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/alinto/sogo",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "717f45f640a2866b76a8984139391fae64339225"
},
{
"fixed": "875a4aca3218340fd4d3141950c82c2ff45b343d"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"fixed": "717f45f640a2866b76a8984139391fae64339225"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "875a4aca3218340fd4d3141950c82c2ff45b343d"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"SOGo-3.1.0",
"SOGo-2.3.11",
"SOGo-2.3.10",
"SOGo-2.3.9",
"SOGo-3.0.2",
"SOGo-2.3.8",
"SOGo-3.0.1",
"SOGo-3.0.0",
"SOGo-2.3.7a",
"SOGo-2.3.7",
"SOGo-2.3.6",
"SOGo-2.3.5",
"SOGo-2.3.4",
"SOGo-3.0.0b5",
"SOGo-3.0.0b4",
"SOGo-2.3.3a",
"SOGo-2.3.3",
"SOGo-3.0.0b3",
"SOGo-3.0.0b2",
"SOGo-2.3.2",
"SOGo-3.0.0b1",
"SOGo-2.3.1",
"SOGo-2.3.0",
"SOGo-2.2.17a",
"SOGo-2.2.20",
"SOGo-2.0.2",
"SOGo-2.0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-6190.json",
"vanir_signatures": [
{
"id": "CVE-2016-6190-06b8778f",
"digest": {
"threshold": 0.9,
"line_hashes": [
"272275947418062989887012245545970907197",
"237761867161411648712498103835426187177",
"231454080872523687104751719403681284838",
"193563563261601370690713969555675233477"
]
},
"source": "https://github.com/alinto/sogo/commit/717f45f640a2866b76a8984139391fae64339225",
"target": {
"file": "SoObjects/SOGo/SOGoUserSettings.h"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2016-6190-26f1ac38",
"digest": {
"threshold": 0.9,
"line_hashes": [
"272275947418062989887012245545970907197",
"237761867161411648712498103835426187177",
"231454080872523687104751719403681284838",
"193563563261601370690713969555675233477"
]
},
"source": "https://github.com/alinto/sogo/commit/875a4aca3218340fd4d3141950c82c2ff45b343d",
"target": {
"file": "SoObjects/SOGo/SOGoUserSettings.h"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:17:58Z"
}
}
],
"modified": "2026-10-20T13:17:58.794223195Z",
"provider": "osv",
"references": [
"https://sogo.nu/bugs/view.php?id=3696",
"https://github.com/inverse-inc/sogo/commit/717f45f640a2866b76a8984139391fae64339225",
"https://github.com/inverse-inc/sogo/commit/875a4aca3218340fd4d3141950c82c2ff45b343d"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:inverse-inc:sogo:3.0.0:beta_1:*:*:*:*:*:*",
"cpe:2.3:a:inverse-inc:sogo:3.0.0:beta_2:*:*:*:*:*:*",
"cpe:2.3:a:inverse-inc:sogo:3.0.0:beta_3:*:*:*:*:*:*",
"cpe:2.3:a:inverse-inc:sogo:3.0.0:beta_4:*:*:*:*:*:*",
"cpe:2.3:a:inverse-inc:sogo:3.0.0:beta_5:*:*:*:*:*:*"
],
"vendor_product": "inverse-inc:sogo",
"extracted_events": [
{
"range": [
{
"introduced": "3.0.0-beta_1"
},
{
"last_affected": "3.0.0-beta_1"
},
{
"introduced": "3.0.0-beta_2"
},
{
"last_affected": "3.0.0-beta_2"
},
{
"introduced": "3.0.0-beta_3"
},
{
"last_affected": "3.0.0-beta_3"
},
{
"introduced": "3.0.0-beta_4"
},
{
"last_affected": "3.0.0-beta_4"
},
{
"introduced": "3.0.0-beta_5"
},
{
"last_affected": "3.0.0-beta_5"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2016-6190",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387477,
"published_at": "2017-02-17T17:59:00.843+00:00"
}