How severe is CVE-2025-8021?

CVE-2025-8021 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-2025-8021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-8021?

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.

Does CVE-2025-8021 have an EU (EUVD) identifier?

Yes. CVE-2025-8021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22415.

When was CVE-2025-8021 published?

CVE-2025-8021 was published on 2025-07-23 and last updated on 2026-06-17.

CVE-2025-8021

CVE-2025-8021 is a high-severity vulnerability 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 7.7
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22415
Weakness: CWE-22
Published: 2025-07-23
Last modified: 2026-06-17

Description

All versions of the package files-bucket-server are vulnerable to Directory Traversal where an attacker can traverse the file system and access files outside of the intended directory.

Frequently asked questions

What is CVE-2025-8021?: All versions of the package files-bucket-server are vulnerable to Directory Traversal where an attacker can traverse the file system and access files outside of the intended directory.
How severe is CVE-2025-8021?: CVE-2025-8021 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-2025-8021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-8021?: 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.
Does CVE-2025-8021 have an EU (EUVD) identifier?: Yes. CVE-2025-8021 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22415.
When was CVE-2025-8021 published?: CVE-2025-8021 was published on 2025-07-23 and last updated on 2026-06-17.

References

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