CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
73.1%
OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker.
Vendor | Product | Version | CPE |
---|---|---|---|
openvpn | openvpn | * | cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:* |
openvpn | openvpn | 2.4.0 | cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:* |
openvpn | openvpn | 2.4.0 | cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:* |
openvpn | openvpn | 2.4.0 | cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:* |
openvpn | openvpn | 2.4.0 | cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:* |
openvpn | openvpn | 2.4.0 | cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:* |
openvpn | openvpn | 2.4.0 | cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:* |
openvpn | openvpn | 2.4.1 | cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:* |
[
{
"product": "openvpn",
"vendor": "OpenVPN Technologies, Inc",
"versions": [
{
"status": "affected",
"version": "< 2.3.15"
},
{
"status": "affected",
"version": "< 2.4.2"
}
]
}
]
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
73.1%