CVE-2020-6558

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

1.79% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 76.4% of scored records. A rank, not a probability.

NVD base score

6.5 (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:U/C:N/I:H/A:N

NVD analysis status

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

Red Hat severity

Important. 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

2020-09-21 19:06Z5 YR AGO

Last updated

2024-08-04 09:11Z2 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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

f715296a48cbe093c8155c3389474b350cd0527d9b022d96db5489e47b40772d

• crbug.comhttps://crbug.com/1109120x_refsource_MISC
• chromereleases.googleblog.comhttps://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_25.htmlx_refsource_MISC
• lists.opensuse.orgopenSUSE-SU-2020:1499http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1510http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.htmlvendor-advisoryx_refsource_SUSE
• lists.opensuse.orgopenSUSE-SU-2020:1514http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.htmlvendor-advisoryx_refsource_SUSE
• www.debian.orgDSA-4824https://www.debian.org/security/2021/dsa-4824vendor-advisoryx_refsource_DEBIAN