CVE-2021-33638

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 11.5% of scored records. A rank, not a probability.

NVD base score

6.5 (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:C/C:N/I:H/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

2023-10-29 07:59Z3 YR AGO

Last updated

2024-09-09 14:09Z2 YR AGO

Reserved

2021-05-28

Assigning CNA

openEuler

Record state

PUBLISHED

Severity

High (CVSS 8.4)

CNA CVSS vector

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

Weaknesses

• CWE-665Improper InitializationClass

Data version

5.1

Document digest

f9fdf9f9d87f3837e6fbff60215494354d5408eb0a43e4a2fa88bfd53a3e30a9

• www.openeuler.orghttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686
• gitee.comhttps://gitee.com/src-openeuler/iSulad/pulls/627/files
• gitee.comhttps://gitee.com/src-openeuler/iSulad/pulls/600/files