What is CVE-2020-12105?

CVE-2020-12105 is a medium-severity vulnerability in Infradead Openconnect, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.9/10. Published 2020-04-23.

How severe is CVE-2020-12105?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Infradead Openconnect

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.

EPSS: 0.017 (74.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Infradead Openconnect
Opensuse Leap — versions 15.1
N/a — versions n/a

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)

Frequently asked questions

What is CVE-2020-12105?: CVE-2020-12105 is a medium-severity vulnerability in Infradead Openconnect, classified under Improper Handling of Exceptional Conditions. CVSS score: 5.9/10. Published 2020-04-23.
How severe is CVE-2020-12105?: Medium severity. CVSS v3 base score is 5.9 out of 10.