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CVE-2025-29783

Vllm remote code execution

9.0 CRITICALEPSS 0.73%
  1. Published19 Mar 2025

Description

vLLM is a high-throughput and memory-efficient inference and serving engine for LLMs. When vLLM is configured to use Mooncake, unsafe deserialization exposed directly over ZMQ/TCP on all network interfaces will allow attackers to execute remote code on distributed hosts. This is a remote code execution vulnerability impacting any deployments using Mooncake to distribute KV across distributed hosts. This vulnerability is fixed in 0.8.0.

CVSS 3.1 breakdown

Attack vectorAdjacent
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Vllm≥ 0.6.5 < 0.8.0

Remediation

Fixed in
Vllm≥ 0.8.0

References

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Frequently asked

Is CVE-2025-29783 being actively exploited?

CVE-2025-29783 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.73%.

How severe is CVE-2025-29783?

CVE-2025-29783 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 0.73% probability of exploitation.

Which products are affected by CVE-2025-29783?

Affected products include Vllm.

How do I fix CVE-2025-29783?

Upgrade affected software to a fixed version, for example Vllm 0.8.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-29783 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.