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MitreCVE-2020-12105

HistoryApr 23, 2020 - 5:15 p.m.

CVE-2020-12105

2020-04-2317:15:12

CWE-755

mitre

web.nvd.nist.gov

122

openconnect

8.08

x509_check function

man-in-the-middle attack

cve-2020-12105

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

39.7%

JSON

OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.

Affected configurations

Nvd

Node

infradeadopenconnectRange≤8.08

Node

opensuseleapMatch15.1

VendorProductVersionCPE
infradeadopenconnect*cpe:2.3:a:infradead:openconnect:*:*:*:*:*:*:*:*
opensuseleap15.1cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*