CVE-2023-51389

Apache Hertzbeat insecure deserialization

9.8 CRITICALEPSS 1.28%

Published22 Feb 2024

Description

Hertzbeat is a real-time monitoring system. At the interface of `/define/yml`, SnakeYAML is used as a parser to parse yml content, but no security configuration is used, resulting in a YAML deserialization vulnerability. Version 1.4.1 fixes this vulnerability.

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

Apache Hertzbeat< 1.4.1

Remediation

Fixed in

Apache Hertzbeat≥ 1.4.1

Frequently asked

Is CVE-2023-51389 being actively exploited?

CVE-2023-51389 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.28%.

How severe is CVE-2023-51389?

CVE-2023-51389 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 1.28% probability of exploitation.

Which products are affected by CVE-2023-51389?

Affected products include Apache Hertzbeat.

How do I fix CVE-2023-51389?

Upgrade affected software to a fixed version, for example Apache Hertzbeat 1.4.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-51389 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.