CVE-2021-29997

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

1.03% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 61.2% 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:N/I:N/A:L

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

2021-04-13 16:34Z5 YR AGO

Last updated

2024-08-03 22:24Z2 YR AGO

Reserved

2021-04-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

3d02480ad95e9f9aa76912b2b24b10b74c2e2f3e137a03cd2cc903f10aeef122

• support2.windriver.comhttps://support2.windriver.com/index.php?page=security-noticesx_refsource_MISC
• support2.windriver.comhttps://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2021-29997x_refsource_CONFIRM