CVE-2020-10759

fwupd: Possible bypass in signature verification

Loading…

Severity

Low

Red Hat Product Security

5.7

CVSS 3.1

Review impact separately from score.

Published · June 5, 2020

Updated · June 27, 2026

Description

A PGP signature bypass flaw was found in fwupd, which could lead to the installation of unsigned firmware. As per upstream, a signature bypass is theoretically possible, but not practical because the Linux Vendor Firmware Service (LVFS) is either not implemented or enabled in versions of fwupd shipped with Red Hat Enterprise Linux 7 and 8. The highest threat from this vulnerability is to confidentiality and integrity.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.7
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

CWE-347 · Improper Verification of Cryptographic Signature