High
Security advisory
An issue was discovered in Erlang/OTP before 23.2.2. The ssl application 10.2 accepts and trusts an invalid X.509 certificate chain to a trusted root Certification Authority.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-35733
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:26 UTC · Revision 1
Source evidence
An issue was discovered in Erlang/OTP before 23.2.2. The ssl application 10.2 accepts and trusts an invalid X.509 certificate chain to a trusted root Certification Authority.
osv:CVE-2020-35733
Complete source record
{
"id": "cdc7c673f67f5d3a6bf305db9bd56162994f36a819fa88cbee236f6b79f86aea",
"url": "https://osv.dev/vulnerability/CVE-2020-35733",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-35733",
"summary": "An issue was discovered in Erlang/OTP before 23.2.2. The ssl application 10.2 accepts and trusts an invalid X.509 certificate chain to a trusted root Certification Authority.",
"evidence": "osv:CVE-2020-35733",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-35733",
"aliases": [
"CVE-2020-35733"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/erlang/otp",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "1a7dc7ad22b089a01b253432484983fd6e141103"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "23.2.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"OTP-23.0",
"OTP-21.0",
"OTP-23.2",
"OTP-22.0",
"OTP-23.2.1",
"OTP-23.1",
"OTP-23.0-rc3",
"OTP-23.0-rc2",
"OTP-23.0-rc1",
"OTP-20.0",
"OTP-22.0-rc3",
"OTP-22.0-rc2",
"OTP-22.0-rc1",
"OTP-19.0",
"OTP-21.0-rc2",
"OTP-18.0",
"OTP-21.0-rc1",
"OTP-17.0",
"OTP-20.0-rc2",
"OTP-20.0-rc1",
"OTP-19.0-rc2",
"OTP-19.0-rc1",
"OTP_R16B",
"OTP-18.0-rc1",
"OTP_17.0-rc2",
"OTP_17.0-rc1",
"OTP_R13B03",
"OTP_R16A_RELEASE_CANDIDATE",
"OTP_R14B03",
"OTP_R15B",
"OTP_R15A",
"OTP_R14B02",
"OTP_R14B01",
"OTP_R14B",
"OTP_R13B04",
"OTP_R14A"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-35733.json"
}
}
],
"modified": "2026-10-20T10:54:20.167998862Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E4CXZWUOZELT7A5ZN6DJRQHX7L35V4PW/",
"https://erlang.org/pipermail/erlang-questions/2021-January/100357.html",
"https://github.com/erlang/otp/releases",
"https://www.erlang.org/downloads",
"https://www.erlang.org/news"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "33"
},
{
"last_affected": "33"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-35733",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385072,
"published_at": "2021-01-15T14:15:14.803+00:00"
}