Medium
Security advisory
Nextcloud Mail is a mail app for the Nextcloud platform. A missing permission check in Nextcloud Mail before 1.4.3 and 1.8.2 allows another authenticated users to access mail metadata of other users. Versions 1.4.3 and 1.8.2 contain patches for this vulnerability; no workarounds other than the patches are known to exist.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-32652
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:34 UTC · Revision 1
Source evidence
Nextcloud Mail is a mail app for the Nextcloud platform. A missing permission check in Nextcloud Mail before 1.4.3 and 1.8.2 allows another authenticated users to access mail metadata of other users. Versions 1.4.3 and 1.8.2 contain patches for this vulnerability; no workarounds other than the patches are known to exist.
osv:CVE-2021-32652
Complete source record
{
"id": "4eaf8890196f0e7075276c64f4b73e69b6410b37b74b6ffdd2d0e417ebb78a8a",
"url": "https://osv.dev/vulnerability/CVE-2021-32652",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-32652",
"summary": "Nextcloud Mail is a mail app for the Nextcloud platform. A missing permission check in Nextcloud Mail before 1.4.3 and 1.8.2 allows another authenticated users to access mail metadata of other users. Versions 1.4.3 and 1.8.2 contain patches for this vulnerability; no workarounds other than the patches are known to exist.",
"evidence": "osv:CVE-2021-32652",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-32652",
"aliases": [
"CVE-2021-32652",
"GHSA-mxx2-6rg9-v2vc"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/nextcloud/mail",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "94ca9b496f6d7d9a7c08dc63e35fee9a4f651ba5"
},
{
"introduced": "d91d7970021fab0e87cc90a89dfd159fad9afda3"
},
{
"fixed": "a425ecf114c76b382110933d8562391bc28e9662"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.4.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:nextcloud:mail:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.5.5"
},
{
"fixed": "1.8.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v1.4.2",
"v1.8.1",
"v1.8.0",
"1.6.2",
"v1.7.0",
"v1.6.0",
"v1.5.0",
"v1.5.0-rc2",
"v1.5.0-rc1",
"v1.5.0-beta3",
"v1.5.0-beta2",
"v1.5.0-beta1",
"v1.5.0-alpha3",
"v1.4.1",
"v1.4.1-rc1",
"v1.4.0",
"v1.4.0-rc3",
"v1.4.0-rc2",
"v1.4.0-rc1",
"v1.4.0-beta2",
"v1.4.0-beta1",
"nightly-20200513",
"nightly-20200506",
"nightly-20200427",
"nightly-20200423",
"v1.3.3",
"v1.3.2",
"v1.3.1",
"v1.3.0",
"v1.3.0-RC1",
"v1.3.0-beta3",
"v1.3.0-beta2",
"v1.1.2",
"v1.3.0-beta1",
"v1.1.1",
"v1.1.0",
"v1.0.0",
"nightly-20200115",
"v0.21.1",
"v0.21.0",
"v0.20.3",
"v0.20.2",
"v0.20.1",
"v0.20.0",
"v0.19.1",
"v0.19.0",
"v0.18.1",
"v0.18.0",
"v0.18.0-RC1",
"v0.17.0",
"v0.16.0",
"v0.15.5",
"v0.15.4",
"v0.15.3",
"v0.15.2",
"v0.15.1",
"v0.15.0",
"v0.14.0",
"v0.13.0",
"v0.11.0",
"v0.12.0",
"v0.12.0-RC3",
"v0.12.0-RC2",
"v0.12.0-beta5",
"v0.12.0-beta4",
"v0.12.0-beta2",
"v0.12.0-beta1",
"v0.12.0-alpha3",
"v0.10.0",
"v0.9.0",
"v0.8.3",
"v0.8.2",
"untagged-bd8a3cab1eb0022ec683",
"v0.8.1",
"v0.8.0",
"nightly-20180410",
"v0.8.0-beta1",
"v0.8.0-alpha1",
"v0.7.10",
"v0.7.9",
"v0.7.8",
"v0.7.7",
"v0.7.6",
"nightly-20171212",
"v0.7.5",
"nightly-20171127",
"v0.7.4",
"nightly-20170913",
"v0.7.3",
"v0.7.2",
"nightly-20170906",
"v0.7.1",
"nightly-20170831",
"nighly-20170831",
"v0.7.0",
"nightly-20170823",
"nightly-20170612",
"v0.6.2",
"nightly-20170117",
"nightly-20161218",
"nightly-20161208",
"nightly-20161202",
"v0.5.2",
"v0.5.1",
"v0.5.0",
"v0.4.4",
"v0.4.3",
"v0.4.2",
"v0.4.1",
"v0.4.0",
"v0.3.0",
"v0.2.0",
"v0.1.3",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32652.json"
}
}
],
"modified": "2026-10-24T10:30:55.225736544Z",
"provider": "osv",
"references": [
"https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mxx2-6rg9-v2vc",
"https://hackerone.com/reports/1094063"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-32652",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 438366,
"published_at": "2021-06-01T19:15:07.51+00:00"
}