CVE-2024-42455

HIGH
8.1
CVSS Score
Published: December 4, 2024 at 01:06 AM UTC
Updated: June 17, 2026 at 07:49 AM UTC
1 product affected across 1 vendorVeeam Backup & Replication

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Severity
HIGH8.1
Exploit prediction
EPSS 16%
SSVC
No known exploit

Description

A vulnerability in Veeam Backup & Replication allows a low-privileged user to connect to remoting services and exploit insecure deserialization by sending a serialized temporary file collection. This exploit allows the attacker to delete any file on the system with service account privileges. The vulnerability is caused by an insufficient blacklist during the deserialization process.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

12.0 ≤ v ≤ 12.2.0.33412.0.0.1402 ≤ v < 12.3.0.31012.012.2
Affected range stops below 12.3.0.310, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-306

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