CVE-2021-21323

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

2.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 81.4% 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

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

2021-02-23 22:45Z5 YR AGO

Last updated

2024-08-03 18:09Z2 YR AGO

Reserved

2020-12-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass

Data version

5.1

Document digest

3cfb3c67219a9ba08a6cb9dd62ea726c5e971a72966dd9d15f89e965b49fd9f2

• github.comhttps://github.com/brave/brave-browser/security/advisories/GHSA-mqjf-9x5g-2rv6x_refsource_CONFIRM
• github.comhttps://github.com/brave/brave-browser/issues/13527x_refsource_MISC
• github.comhttps://github.com/brave/brave-core/pull/7769x_refsource_MISC
• github.comhttps://github.com/brave/brave-core/commit/12fe321eaad8acc1cbd1d70b4128f687777bcf15x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/1077022x_refsource_MISC