MEDIUM · 5.9

CVE-2020-12105

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

Vulnerability Description

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

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
InfradeadOpenconnect<= 8.08
OpensuseLeap15.1

Related Weaknesses (CWE)

References

FAQ

What is CVE-2020-12105?

CVE-2020-12105 is a vulnerability with a CVSS score of 5.9 (MEDIUM). OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.

How severe is CVE-2020-12105?

CVE-2020-12105 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-12105?

Check the references section above for vendor advisories and patch information. Affected products include: Infradead Openconnect, Opensuse Leap.