CVE-2020-6457

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

1.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 66.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Critical. 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

2020-05-21 03:46Z6 YR AGO

Last updated

2024-08-04 09:02Z2 YR AGO

Reserved

2020-01-08

Assigning CNA

Chrome

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

9f1b79a4bec3524ae59b4471c7c2cf69892a37be7854cb167c312bb677bd28d7

• crbug.comhttps://crbug.com/1067851x_refsource_MISC
• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2020/04/stable-channel-update-for-desktop_15.htmlx_refsource_MISC
• www.debian.orgDSA-4714https://www.debian.org/security/2020/dsa-4714vendor-advisoryx_refsource_DEBIAN