- Description
- 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
- Source
- security@openvpn.net
- NVD status
- Analyzed
- Products
- openvpn_access_server
CVSS 4.0
- Type
- Secondary
- Base score
- 6.9
- Impact score
- -
- Exploitability score
- -
- Vector string
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity
- MEDIUM
CVSS 3.1
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Severity
- HIGH
- security@openvpn.net
- CWE-444
- Hype score
- Not currently trending
🚨*CVE* CVE-2025-3110 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 d… https://t.co/VGZE9hbbyf ----- Traducción: CVE-2025-3110 Ope… https://t.co/utmtNg
@infoflowcloud
8 Jul 2026
29 Impressions
0 Retweets
0 Likes
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0 Replies
0 Quotes
CVE-2025-3110 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 d… https://t.co/ociNzi0Mha
@CVEnew
8 Jul 2026
648 Impressions
0 Retweets
0 Likes
0 Bookmarks
0 Replies
0 Quotes
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "1E78FCC3-BC92-47D0-83BB-309B2F778217",
"versionEndIncluding": "3.1.0",
"versionStartIncluding": "2.7.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]