tomcat9 — security advisory
The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 10.1.0-M8, 10.0.0-M5 to 10.0.14, 9.0.35 to 9.0.56 and 8.5.55 to 8.5.73 that allowed a local attacker to perform actions with the privileges of the user that the Tomcat process is using. This issue is only exploitable when Tomcat is configured to persist sessions using the FileStore.
- Products
- tomcat9
- Affected versions
- Not specified
- Fixed versions
- 9.0.58-1
- CVEs
- CVE-2022-23181
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:36 UTC · Revision 1
Source evidence
The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 10.1.0-M8, 10.0.0-M5 to 10.0.14, 9.0.35 to 9.0.56 and 8.5.55 to 8.5.73 that allowed a local attacker to perform actions with the privileges of the user that the Tomcat process is using. This issue is only exploitable when Tomcat is configured to persist sessions using the FileStore.
osv:DEBIAN-CVE-2022-23181
tomcat9
Fixed versions: 9.0.58-1
tomcat9
Fixed versions: 9.0.58-1
tomcat9
Fixed versions: 9.0.58-1
Complete source record
{
"id": "f13c7643cb94472373ccaf0747489f59decc83e25ba51184be434471dee8c815",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2022-23181",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2022-23181",
"summary": "The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 10.1.0-M8, 10.0.0-M5 to 10.0.14, 9.0.35 to 9.0.56 and 8.5.55 to 8.5.73 that allowed a local attacker to perform actions with the privileges of the user that the Tomcat process is using. This issue is only exploitable when Tomcat is configured to persist sessions using the FileStore.",
"evidence": "osv:DEBIAN-CVE-2022-23181",
"products": [
{
"name": {
"value": "tomcat9",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.0.58-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat9",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.0.58-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "tomcat9",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.0.58-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2022-23181",
"aliases": [
"DEBIAN-CVE-2022-23181"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.0.58-1"
}
]
}
],
"package": {
"name": "tomcat9",
"purl": "pkg:deb/debian/tomcat9?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23181.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.0.58-1"
}
]
}
],
"package": {
"name": "tomcat9",
"purl": "pkg:deb/debian/tomcat9?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23181.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.0.58-1"
}
]
}
],
"package": {
"name": "tomcat9",
"purl": "pkg:deb/debian/tomcat9?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23181.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-15T08:00:57.774424265Z",
"provider": "osv",
"upstream": [
"CVE-2022-23181"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2022-23181"
]
},
"related_cves": [
{
"value": "CVE-2022-23181",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 322726,
"published_at": "2022-01-27T13:15:08.06+00:00"
}