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freebsdFreeBSDEFB965BE-A2C0-11EB-8956-1951A8617E30
HistoryMar 02, 2021 - 12:00 a.m.

openvpn -- deferred authentication can be bypassed in specific circumstances

2021-03-0200:00:00
vuxml.freebsd.org
18

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.021 Low

EPSS

Percentile

88.9%

JSON

Gert Döring reports:

    OpenVPN 2.5.1 and earlier versions allows a remote attackers to
    bypass authentication and access control channel data on servers
    configured with deferred authentication, which can be used to
    potentially trigger further information leaks.
OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchopenvpn< 2.5.2UNKNOWN
FreeBSDanynoarchopenvpn-mbedtls< 2.5.2UNKNOWN

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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.021 Low

EPSS

Percentile

88.9%

JSON
Related for EFB965BE-A2C0-11EB-8956-1951A8617E30
fedora3openvas10prion1debiancve1gentoo1mageia1nessus9osv3amazon1alpinelinux1veracode1ubuntucve1cve1redos8ubuntu1suse1debian1ibm1