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[email protected]CVE-2017-7478

HistoryMay 15, 2017 - 6:29 p.m.

CVE-2017-7478

2017-05-1518:29:00

CWE-617

CWE-20

[email protected]

web.nvd.nist.gov

openvpn

vulnerability

cve-2017-7478

dos

unauthenticated

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.2 High

AI Score

Confidence

High

0.236 Low

EPSS

Percentile

96.6%

JSON

OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.

Affected configurations

Vulners

NVD

Node

openvpn_technologies\,_incopenvpnRange2.3.12≥

CPENameOperatorVersion
openvpn:openvpnopenvpneq2.3.12
openvpn:openvpnopenvpneq2.3.13
openvpn:openvpnopenvpneq2.3.14
openvpn:openvpnopenvpneq2.4.0
openvpn:openvpnopenvpneq2.4.1

CPE	Name	Operator	Version
openvpn:openvpn	openvpn	eq	2.3.12
openvpn:openvpn	openvpn	eq	2.3.13
openvpn:openvpn	openvpn	eq	2.3.14
openvpn:openvpn	openvpn	eq	2.4.0
openvpn:openvpn	openvpn	eq	2.4.1

CNA Affected

[
  {
    "product": "openvpn",
    "vendor": "OpenVPN Technologies, Inc",
    "versions": [
      {
        "status": "affected",
        "version": "2.3.12 and newer"
      }
    ]
  }
]