Public proof of conceptFix available

CVE-2024-42323

Q: Is CVE-2024-42323 actively exploited?

Active exploitation of CVE-2024-42323 has not been confirmed. Its EPSS score was 8.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2024-42323?

CVE-2024-42323 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2024-09-21
Fixed in1.6.0
WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

SnakeYaml Deser Load Malicious xml rce vulnerability in Apache HertzBeat (incubating). This vulnerability can only be exploited by authorized attackers. This issue affects Apache HertzBeat (incubating): before 1.6.0. Users are recommended to upgrade to version 1.6.0, which fixes the issue.

Timeline

dates in UTC

2024-09-2110:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-42323?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-42323?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP

Apache hertzbeat

Branch	Affected	Fixed in	Source
1.6	< 1.6.0	1.6.0	NVD · CISA-ADP

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Apache hertzbeat to 1.6.0

Advisories and patches

lists.apache.orgVendor Advisory
lists.apache.orgVendor Advisory

Detection

read 2026-10-23 19:24 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedforwjm/CVE-2024-42323

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2024-09-23
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.18.82024-09-23
CNAweakness (CWE)CWE-502read 2026-10-23
FIRST EPSSEPSS score8.3 %2026-10-22
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2024-09-21
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2024-42323?

Is CVE-2024-42323 actively exploited?

Active exploitation of CVE-2024-42323 has not been confirmed. Its EPSS score was 8.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-42323?

CVE-2024-42323 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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