- Description
- OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server
- Source
- security@openvpn.net
- NVD status
- Analyzed
- Products
- openvpn
CVSS 4.0
- Type
- Secondary
- Base score
- 7
- Impact score
- -
- Exploitability score
- -
- Vector string
- CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/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
- HIGH
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:N/A:H
- Severity
- HIGH
- security@openvpn.net
- CWE-121
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B004184D-AE07-4620-A89E-DA26A2098E87",
"versionEndExcluding": "2.6.21",
"versionStartIncluding": "2.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D08AE07E-B8A3-46AE-98F3-2912848A26BB",
"versionEndExcluding": "2.7.5",
"versionStartIncluding": "2.7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]