MediumFix available
389-ds-base — security advisory
When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.
- Products
- 389-ds-base
- Affected versions
- Not specified
- Fixed versions
- 1.4.4.10-1
- CVEs
- CVE-2020-35518
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:15 UTC · Revision 1
Source evidence
When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.
osv:DEBIAN-CVE-2020-35518
389-ds-base
Fixed versions: 1.4.4.10-1
389-ds-base
Fixed versions: 1.4.4.10-1
Complete source record
{
"id": "a2aac684f28fc9933e3c897a1a51604827f9e81dfe77cb3aa196ec6aac1491c1",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-35518",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-35518",
"summary": "When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.",
"evidence": "osv:DEBIAN-CVE-2020-35518",
"products": [
{
"name": {
"value": "389-ds-base",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.4.10-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "389-ds-base",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.4.4.10-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2020-35518",
"aliases": [
"DEBIAN-CVE-2020-35518"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.4.10-1"
}
]
}
],
"package": {
"name": "389-ds-base",
"purl": "pkg:deb/debian/389-ds-base?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35518.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.4.4.10-1"
}
]
}
],
"package": {
"name": "389-ds-base",
"purl": "pkg:deb/debian/389-ds-base?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35518.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:02:13.751702550Z",
"provider": "osv",
"upstream": [
"CVE-2020-35518"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-35518"
]
},
"related_cves": [
{
"value": "CVE-2020-35518",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452044,
"published_at": "2021-03-26T17:15:12.28+00:00"
}