Home > Vulnerability Database > CVE-2020-12105

Mend.io Vulnerability Database

New vulnerability? Tell us about it!

CVE-2020-12105

Date: April 23, 2020

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

Language: C

Severity Score

5.9

Related Resources (7)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12105

Url: https://security.gentoo.org/glsa/202006-15

Url: https://gitlab.com/openconnect/openconnect/-/merge_requests/96

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-12105

Url: http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00039.html

Url: https://security-tracker.debian.org/tracker/CVE-2020-12105

Url: https://www.mend.io/vulnerability-database/CVE-2020-12105

Severity Score

5.9

Weakness Type (CWE)

Input Validation

CWE-20

Improper Handling of Exceptional Conditions

CWE-755

CVSS v3.1

Base Score:	5.9
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

Do you need more information?

Contact Us