High
Security advisory
Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-38161
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:14 UTC · Revision 1
Source evidence
Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.
osv:CVE-2021-38161
Complete source record
{
"id": "d4ef543776f9f40e0c0566698f546680c876b04bc816bcc2a98719ddd80fc2c4",
"url": "https://osv.dev/vulnerability/CVE-2021-38161",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-38161",
"summary": "Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.",
"evidence": "osv:CVE-2021-38161",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-38161",
"aliases": [
"CVE-2021-38161"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/trafficserver",
"type": "GIT",
"events": [
{
"introduced": "b310e3566f58dd04ec2b15b111ec86ea70e20019"
},
{
"last_affected": "a29528dffb8ea1c6fa57fe0c76ca1ec9d0f08694"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "8.0.0"
},
{
"last_affected": "8.0.8"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"8.0.8-rc0",
"8.0.8",
"8.0.7-rc0",
"8.0.7",
"8.0.6-rc1",
"8.0.6",
"8.0.6-rc0",
"8.0.5",
"8.0.4",
"8.0.4-rc0",
"8.0.3-rc0",
"8.0.3",
"8.0.2-rc0",
"8.0.2",
"8.0.1-rc0",
"8.0.1",
"8.0.0-rc4",
"8.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38161.json"
}
}
],
"modified": "2026-10-24T10:30:37.174629287Z",
"provider": "osv",
"references": [
"https://www.debian.org/security/2022/dsa-5153",
"https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
},
{
"introduced": "11.0"
},
{
"last_affected": "11.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-38161",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 434162,
"published_at": "2021-11-03T16:15:08.137+00:00"
}