CVE-2020-12771

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

Equal to or higher than the score of 43.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Low. 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

2020-05-09 20:16Z6 YR AGO

Last updated

2024-08-04 12:04Z2 YR AGO

Reserved

2020-05-09

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass
• CWE-833DeadlockBase

Data version

5.1

Document digest

02f5b9dcbc0fbdcf47fbaf17bbaf942f42ecd9917aaa21f6db82f3b373769a63

• lists.opensuse.orgopenSUSE-SU-2020:1062http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1153http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlvendor-advisoryx_refsource_SUSE
• lists.debian.org[debian-lts-announce] 20200812 [SECURITY] [DLA 2323-1] linux-4.19 new packagehttps://lists.debian.org/debian-lts-announce/2020/08/msg00019.htmlmailing-listx_refsource_MLIST
• usn.ubuntu.comUSN-4463-1https://usn.ubuntu.com/4463-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4465-1https://usn.ubuntu.com/4465-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4462-1https://usn.ubuntu.com/4462-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4483-1https://usn.ubuntu.com/4483-1/vendor-advisoryx_refsource_UBUNTU
• usn.ubuntu.comUSN-4485-1https://usn.ubuntu.com/4485-1/vendor-advisoryx_refsource_UBUNTU
• lists.debian.org[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlmailing-listx_refsource_MLIST
• lists.debian.org[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression updatehttps://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlmailing-listx_refsource_MLIST
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuApr2021.htmlx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20200608-0001/x_refsource_CONFIRM
• lkml.orghttps://lkml.org/lkml/2020/4/26/87x_refsource_CONFIRM