CVE-2020-8664

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

1.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 68.4% of scored records. A rank, not a probability.

NVD base score

5.3 (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:L/I:N/A:N

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

2020-03-04 20:53Z6 YR AGO

Last updated

2024-08-04 10:03Z2 YR AGO

Reserved

2020-02-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-287Improper AuthenticationClass
• CWE-284Improper Access ControlPillar

Data version

5.1

Document digest

a2ac022ee6123373bfce648bf516ded37110f5639f41cc0d6398bf69cac50b6f

• www.envoyproxy.iohttps://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_historyx_refsource_CONFIRM
• github.comhttps://github.com/envoyproxy/envoy/security/advisories/GHSA-3x9m-pgmg-xpx8x_refsource_MISC
• access.redhat.comRHSA-2020:0734https://access.redhat.com/errata/RHSA-2020:0734vendor-advisoryx_refsource_REDHAT