CVE-2021-22539

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

0.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 23.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-04-16 10:15Z5 YR AGO

Last updated

2024-09-17 01:46Z2 YR AGO

Reserved

2021-01-05

Assigning CNA

Google

Record state

PUBLISHED

Severity

High (CVSS 8.2)

CNA CVSS vector

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

Weaknesses

• CWE-73External Control of File Name or PathBase
• CWE-668Exposure of Resource to Wrong SphereClass

Data version

5.1

Document digest

9d5f5dde59df50bde72e26e391132439cfcb2c3e6d1c892d72bc7e7b0606f295

• github.comhttps://github.com/bazelbuild/vscode-bazel/security/advisories/GHSA-2rcw-j8x4-hgcvx_refsource_MISC
• github.comhttps://github.com/bazelbuild/vscode-bazel-ghsa-2rcw-j8x4-hgcv/pull/1x_refsource_MISC