CVE-2020-12267

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

2.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 82.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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

2020-04-27 01:31Z6 YR AGO

Last updated

2024-08-04 11:48Z2 YR AGO

Reserved

2020-04-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

3859f66d6837ddb868f877e34ca5a9b296754b19a3ae2f0db29f5633ce3664bd

• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450x_refsource_MISC
• codereview.qt-project.orghttps://codereview.qt-project.org/c/qt/qtbase/+/291706x_refsource_CONFIRM
• security.gentoo.orgGLSA-202007-38https://security.gentoo.org/glsa/202007-38vendor-advisoryx_refsource_GENTOO