UnratedFix available
ibm-3270 — security advisory
x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
- Products
- ibm-3270
- Affected versions
- Not specified
- Fixed versions
- 3.3.14ga11-1
- CVEs
- CVE-2012-5662
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:16 UTC · Revision 1
Source evidence
x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
osv:DEBIAN-CVE-2012-5662
ibm-3270
Fixed versions: 3.3.14ga11-1
ibm-3270
Fixed versions: 3.3.14ga11-1
ibm-3270
Fixed versions: 3.3.14ga11-1
Complete source record
{
"id": "b69db25cb272e9ceed9348ce2b071b179165c9667214c836d6e4e4b5b8241a8d",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2012-5662",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2012-5662",
"summary": "x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.",
"evidence": "osv:DEBIAN-CVE-2012-5662",
"products": [
{
"name": {
"value": "ibm-3270",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.3.14ga11-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ibm-3270",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.3.14ga11-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ibm-3270",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.3.14ga11-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2012-5662",
"aliases": [
"DEBIAN-CVE-2012-5662"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.3.14ga11-1"
}
]
}
],
"package": {
"name": "ibm-3270",
"purl": "pkg:deb/debian/ibm-3270?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-5662.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.3.14ga11-1"
}
]
}
],
"package": {
"name": "ibm-3270",
"purl": "pkg:deb/debian/ibm-3270?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-5662.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.3.14ga11-1"
}
]
}
],
"package": {
"name": "ibm-3270",
"purl": "pkg:deb/debian/ibm-3270?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2012-5662.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:38.915868103Z",
"provider": "osv",
"upstream": [
"CVE-2012-5662"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2012-5662"
]
},
"related_cves": [
{
"value": "CVE-2012-5662",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 418137,
"published_at": "2014-05-27T14:55:02.993+00:00"
}