How severe is CVE-2025-63910?

CVE-2025-63910 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-63910 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63910?

CVE-2025-63910 affects Cohesity Tranzman. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63910?

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-2025-63910 have an EU (EUVD) identifier?

Yes. CVE-2025-63910 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208242.

When was CVE-2025-63910 published?

CVE-2025-63910 was published on 2026-03-03 and last updated on 2026-06-17.

CVE-2025-63910

CVE-2025-63910 is a high-severity vulnerability in Cohesity Tranzman with a CVSS 3.x base score of 7.2. 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-345.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208242
Weakness: CWE-345
Affected product: Cohesity Tranzman
Published: 2026-03-03
Last modified: 2026-06-17

Description

An authenticated arbitrary file upload vulnerability in Cohesity TranZman Migration Appliance Release 4.0 Build 14614 allows attackers with Administrator privileges to execute arbitrary code via uploading a crafted patch file.

Frequently asked questions

What is CVE-2025-63910?: An authenticated arbitrary file upload vulnerability in Cohesity TranZman Migration Appliance Release 4.0 Build 14614 allows attackers with Administrator privileges to execute arbitrary code via uploading a crafted patch file.
How severe is CVE-2025-63910?: CVE-2025-63910 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-63910 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63910?: CVE-2025-63910 affects Cohesity Tranzman. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63910?: 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-2025-63910 have an EU (EUVD) identifier?: Yes. CVE-2025-63910 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208242.
When was CVE-2025-63910 published?: CVE-2025-63910 was published on 2026-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cohesity:tranzman:4.0:build14614:*:*:*:*:*:*

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