How severe is CVE-2021-43496?

CVE-2021-43496 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 high, integrity none, and availability none.

Is CVE-2021-43496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43496?

CVE-2021-43496 affects Clustering Project Clustering. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43496?

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-2021-43496 published?

CVE-2021-43496 was published on 2021-11-12 and last updated on 2026-06-17.

CVE-2021-43496

CVE-2021-43496 is a high-severity vulnerability in Clustering Project Clustering with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 16% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 16% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Clustering Project Clustering
Published: 2021-11-12
Last modified: 2026-06-17

Description

Clustering master branch as of commit 53e663e259bcfc8cdecb56c0bb255bd70bfcaa70 is affected by a directory traversal vulnerability. This attack can cause the disclosure of critical secrets stored anywhere on the system and can significantly aid in getting remote code access.

Frequently asked questions

What is CVE-2021-43496?: Clustering master branch as of commit 53e663e259bcfc8cdecb56c0bb255bd70bfcaa70 is affected by a directory traversal vulnerability. This attack can cause the disclosure of critical secrets stored anywhere on the system and can significantly aid in getting remote code access.
How severe is CVE-2021-43496?: CVE-2021-43496 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 high, integrity none, and availability none.
Is CVE-2021-43496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43496?: CVE-2021-43496 affects Clustering Project Clustering. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43496?: 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-2021-43496 published?: CVE-2021-43496 was published on 2021-11-12 and last updated on 2026-06-17.

References

https://github.com/varun-suresh/Clustering/issues/12

Affected products (1)

cpe:2.3:a:clustering_project:clustering:2019-07-26:*:*:*:*:*:*:*

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