CVE-2020-12105

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CVSS 3.1

5.9 medium

EPSS

2%p76

Published

Apr 23, 2020 (Apr 23, 2020)

Modified

Jun 17, 2026

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.

Vendors: infradead opensuse
Products: openconnect, leap
Weakness: CWE-755
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.7%)

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