CVE-2021-39206

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

1.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 73.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-09-09 22:10Z5 YR AGO

Last updated

2024-08-04 01:58Z2 YR AGO

Reserved

2021-08-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.6)

CNA CVSS vector

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

Weaknesses

• CWE-863Incorrect AuthorizationClass

Data version

5.1

Document digest

a5ff9a4fc7d003f8f3dfc8b2a2da6f81c251d89706bf09cb5caea5473440b0d1

• github.comhttps://github.com/envoyproxy/envoy/security/advisories/GHSA-r222-74fw-jqr9x_refsource_MISC
• github.comhttps://github.com/envoyproxy/envoy/security/advisories/GHSA-6g4j-5vrw-2m8hx_refsource_MISC
• groups.google.comhttps://groups.google.com/g/envoy-announce/c/5xBpsEZZDfE/m/wD05NZBbAgAJx_refsource_MISC
• github.comhttps://github.com/pomerium/pomerium/security/advisories/GHSA-cfc2-wjcm-c8fmx_refsource_CONFIRM