CVE-2021-23827

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

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 22.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-02-22 23:07Z5 YR AGO

Last updated

2024-08-03 19:14Z2 YR AGO

Reserved

2021-01-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-312Cleartext Storage of Sensitive InformationBase

Data version

5.1

Document digest

6b40f2dbd86a83313f8d6ecbcb38c0d623525144c22e670ea02676a58bfb572f

• github.comhttps://github.com/keybase/client/releasesx_refsource_MISC
• johnjhacking.comhttps://johnjhacking.com/blog/cve-2021-23827/x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/1074930x_refsource_MISC