CVE-2019-20908

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.51% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.8% of scored records. A rank, not a probability.

NVD base score

6.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-07-15 21:24Z6 YR AGO

Last updated

2024-08-05 02:53Z2 YR AGO

Reserved

2020-07-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-284Improper Access ControlPillar

Data version

5.1

Document digest

ae4e3fa33409d9f5ba55ecdb2941a9e6301ffdf2053046db5d766c28417bda56

• git.zx2c4.comhttps://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.shx_refsource_MISC
• mailarchives.bentasker.co.ukhttps://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.htmlx_refsource_MISC
• git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06ex_refsource_MISC
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4x_refsource_MISC
• www.openwall.com[oss-security] 20200720 Re: Re: lockdown bypass on ubuntu 18.04's 4.15 kernel for loading unsigned moduleshttp://www.openwall.com/lists/oss-security/2020/07/20/6mailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4427-1https://usn.ubuntu.com/4427-1/vendor-advisoryx_refsource_UBUNTU
• www.openwall.com[oss-security] 20200729 multiple secure boot grub2 and linux kernel vulnerabilitieshttp://www.openwall.com/lists/oss-security/2020/07/29/3mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20200730 Re: UEFI SecureBoot bypass fixes rolled out to kernels below radarhttp://www.openwall.com/lists/oss-security/2020/07/30/3mailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20200730 UEFI SecureBoot bypass fixes rolled out to kernels below radarhttp://www.openwall.com/lists/oss-security/2020/07/30/2mailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4439-1https://usn.ubuntu.com/4439-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4426-1https://usn.ubuntu.com/4426-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4440-1https://usn.ubuntu.com/4440-1/vendor-advisoryx_refsource_UBUNTU
• lists.opensuse.orgopenSUSE-SU-2020:1153http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlvendor-advisoryx_refsource_SUSE