OpenVPN Access Server: OpenVPN Access Server: HTTP request smuggling via bare line-feed sequences in HTTP headers
cve CVE-2025-3110 2 sources, 2 claims · Watch
Red Hat writes:
OpenVPN Access Server: OpenVPN Access Server: HTTP request smuggling via bare line-feed sequences in HTTP headers the claim
OpenVPN Access Server: OpenVPN Access Server: HTTP request smuggling via bare line-feed sequences in HTTP headers the claim
What it is to other things
| affects | openvpn/openvpn_access_server NVD |
| made_by | openvpn NVD |
In words only, so not counted until a person confirms one:
| affects | openvpn/access_serverNVD says “OpenVPN · Access Server” |
What each source says
| Property | Source | Said | Means here |
|---|---|---|---|
| Cvss cvss conflict | NVD | 7.5receipt
What the source handed over{
"cve": {
"affected": [
{
"affectedData": [
{
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"product": "Access Server",
"vendor": "OpenVPN",
"versions": [
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],
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}
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"versionEndIncluding": "3.1.0",
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}
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} | — |
| Cvss cvss conflict | Red Hat | 5.3receipt
What the source handed over{
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"CWE": "CWE-444",
"advisories": [],
"affected_packages": [],
"bugzilla": "2498148",
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"resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-3110.json",
"severity": "moderate"
} | — |
| Cwe cwe | Red Hat | CWE-444receipt
What the source handed over{
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"advisories": [],
"affected_packages": [],
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"resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-3110.json",
"severity": "moderate"
} | — |
| Product product | NVD | Access Serverreceipt
What the source handed over{
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{
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"product": "Access Server",
"vendor": "OpenVPN",
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} | — |
| Severity severity | Red Hat | moderate A flaw that is harder to exploit, or whose impact is limited. receipt
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"CWE": "CWE-444",
"advisories": [],
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"severity": "moderate"
} | medium |
| Status status | NVD | Analyzedreceipt
What the source handed over{
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} | — |
| Vendor vendor | NVD | OpenVPNreceipt
What the source handed over{
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"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-3110",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-08T16:29:40.241425Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-07-08T17:17:19.650",
"references": [
{
"source": "security@openvpn.net",
"tags": [
"Release Notes"
],
"url": "https://openvpn.net/as-docs/as-3-2-release-notes.html"
}
],
"sourceIdentifier": "security@openvpn.net",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-444"
}
],
"source": "security@openvpn.net",
"type": "Secondary"
}
]
}
} | — |
vulnerability
| OpenVPN Access Server: OpenVPN Access Server: HTTP request smuggling via bare line-feed sequences in HTTP headers zetlyn/cve-redhat · 2026-07-08 | cvss 5.3 cwe CWE-444 severity moderate | source |
| OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy zetlyn/cve-nvd · 2026-07-08 | cvss 7.5 product Access Server status Analyzed vendor OpenVPN | source |