How severe is CVE-2025-48983?

CVE-2025-48983 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-48983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-48983?

CVE-2025-48983 affects Veeam Veeam Backup & Replication. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-48983?

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

Does CVE-2025-48983 have an EU (EUVD) identifier?

Yes. CVE-2025-48983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37229.

When was CVE-2025-48983 published?

CVE-2025-48983 was published on 2025-10-31 and last updated on 2026-06-17.

CVE-2025-48983

CVE-2025-48983 is a critical-severity vulnerability in Veeam Veeam Backup & Replication with a CVSS 3.x base score of 9.9. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37229
Weakness: CWE-284
Affected product: Veeam Veeam Backup & Replication
Published: 2025-10-31
Last modified: 2026-06-17

Description

A vulnerability in the Mount service of Veeam Backup & Replication, which allows for remote code execution (RCE) on the Backup infrastructure hosts by an authenticated domain user.

Frequently asked questions

What is CVE-2025-48983?: A vulnerability in the Mount service of Veeam Backup & Replication, which allows for remote code execution (RCE) on the Backup infrastructure hosts by an authenticated domain user.
How severe is CVE-2025-48983?: CVE-2025-48983 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-48983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-48983?: CVE-2025-48983 affects Veeam Veeam Backup & Replication. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-48983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-48983 have an EU (EUVD) identifier?: Yes. CVE-2025-48983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37229.
When was CVE-2025-48983 published?: CVE-2025-48983 was published on 2025-10-31 and last updated on 2026-06-17.

References

https://www.veeam.com/kb4771

Affected products (1)

cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:*

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