MediumFix available
libspring-java — security advisory
In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.
- Products
- libspring-java
- Affected versions
- Not specified
- Fixed versions
- 4.3.30-1
- CVEs
- CVE-2020-5421
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 11:07 UTC · Revision 1
Source evidence
In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.
osv:DEBIAN-CVE-2020-5421
libspring-java
Fixed versions: 4.3.30-1
libspring-java
Fixed versions: 4.3.30-1
libspring-java
Fixed versions: 4.3.30-1
Complete source record
{
"id": "601dce65c88afe1ab3519dd3af6ede870ded1ac803c256e9edb2ecaaf2eb2078",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-5421",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-5421",
"summary": "In Spring Framework versions 5.2.0 - 5.2.8, 5.1.0 - 5.1.17, 5.0.0 - 5.0.18, 4.3.0 - 4.3.28, and older unsupported versions, the protections against RFD attacks from CVE-2015-5211 may be bypassed depending on the browser used through the use of a jsessionid path parameter.",
"evidence": "osv:DEBIAN-CVE-2020-5421",
"products": [
{
"name": {
"value": "libspring-java",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.3.30-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libspring-java",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.3.30-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libspring-java",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.3.30-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2020-5421",
"aliases": [
"DEBIAN-CVE-2020-5421"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.30-1"
}
]
}
],
"package": {
"name": "libspring-java",
"purl": "pkg:deb/debian/libspring-java?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-5421.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.30-1"
}
]
}
],
"package": {
"name": "libspring-java",
"purl": "pkg:deb/debian/libspring-java?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-5421.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.30-1"
}
]
}
],
"package": {
"name": "libspring-java",
"purl": "pkg:deb/debian/libspring-java?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-5421.json"
},
"ecosystem_specific": {
"urgency": "unimportant"
}
}
],
"modified": "2026-10-09T09:47:24.965553427Z",
"provider": "osv",
"upstream": [
"CVE-2020-5421"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-5421"
]
},
"related_cves": [
{
"value": "CVE-2020-5421",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 111480,
"published_at": "2020-09-19T04:15:11.527+00:00"
}