CVE-2021-3538

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

2.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 82.8% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2021-06-02 13:22Z5 YR AGO

Last updated

2024-08-03 17:01Z2 YR AGO

Reserved

2021-05-05

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-338Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)Base

Data version

5.1

Document digest

f053d56e5628571a06fb66e97829ef1195ef0aaaaa3aafe93960e7bb0283415f

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1954376x_refsource_MISC
• github.comhttps://github.com/satori/go.uuid/issues/73x_refsource_MISC
• snyk.iohttps://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSATORIGOUUID-72488x_refsource_MISC