How severe is CVE-2021-43429?

CVE-2021-43429 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2021-43429 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43429?

CVE-2021-43429 affects Seagate Cortx-s3 Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43429?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-43429 published?

CVE-2021-43429 was published on 2022-04-07 and last updated on 2026-06-17.

CVE-2021-43429

CVE-2021-43429 is a high-severity vulnerability in Seagate Cortx-s3 Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-667.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-667
Affected product: Seagate Cortx-s3 Server
Published: 2022-04-07
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-43429?: CVE-2021-43429 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-43429 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43429?: CVE-2021-43429 affects Seagate Cortx-s3 Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43429?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-43429 published?: CVE-2021-43429 was published on 2022-04-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:seagate:cortx-s3_server:2021-11-07:*:*:*:*:*:*:*

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