What is CVE-2021-43429?

CVE-2021-43429 is a high-severity vulnerability in Seagate Cortx-S3 Server, classified under Improper Locking. CVSS score: 7.5/10. Published 2022-04-07.

How severe is CVE-2021-43429?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Seagate Cortx-S3 Server

CVE-2021-43429

A Denial of Service vulnerability exists in CORTX-S3 Server as of 11/7/2021 via the mempool_destroy method due to a failture to release locks pool->lock.

Published 2022-04-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Seagate Cortx-S3 Server — versions 2021-11-07

Weakness classification (CWE)

CWE-667 — Improper Locking

References

github.com/Seagate/cortx-s3server/issues/1037 (Exploit, Third Party Advisory, Issue Tracking)
github.com/Seagate/cortx-s3server/pull/1041 (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-43429?: CVE-2021-43429 is a high-severity vulnerability in Seagate Cortx-S3 Server, classified under Improper Locking. CVSS score: 7.5/10. Published 2022-04-07.
How severe is CVE-2021-43429?: High severity. CVSS v3 base score is 7.5 out of 10.