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CVE-2023-38036

Ivanti Avalanche buffer overflow

9.8 CRITICALEPSS 3.02%
  1. Published12 Jul 2025

Description

A security vulnerability within Ivanti Avalanche Manager before version 6.4.1 may allow an unauthenticated attacker to create a buffer overflow that could result in service disruption or arbitrary code execution.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Ivanti Avalanche< 6.4.1

Remediation

Fixed in
Ivanti Avalanche≥ 6.4.1

References

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Frequently asked

Is CVE-2023-38036 being actively exploited?

CVE-2023-38036 is not in the CISA KEV catalog. Its EPSS exploit probability is 3.02%.

How severe is CVE-2023-38036?

CVE-2023-38036 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 3.02% probability of exploitation.

Which products are affected by CVE-2023-38036?

Affected products include Ivanti Avalanche.

How do I fix CVE-2023-38036?

Upgrade affected software to a fixed version, for example Ivanti Avalanche 6.4.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-38036 against the real software inventory on every managed device, every day. 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.