How severe is CVE-2024-42333?

CVE-2024-42333 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-42333 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42333?

CVE-2024-42333 affects Zabbix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42333?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-42333 have an EU (EUVD) identifier?

Yes. CVE-2024-42333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39879.

When was CVE-2024-42333 published?

CVE-2024-42333 was published on 2024-11-27 and last updated on 2026-06-17.

CVE-2024-42333

CVE-2024-42333 is a low-severity vulnerability in Zabbix with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-126.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39879
Weakness: CWE-126
Affected product: Zabbix
Published: 2024-11-27
Last modified: 2026-06-17

Description

The researcher is showing that it is possible to leak a small amount of Zabbix Server memory using an out of bounds read in src/libs/zbxmedia/email.c

Frequently asked questions

What is CVE-2024-42333?: The researcher is showing that it is possible to leak a small amount of Zabbix Server memory using an out of bounds read in src/libs/zbxmedia/email.c
How severe is CVE-2024-42333?: CVE-2024-42333 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-42333 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42333?: CVE-2024-42333 affects Zabbix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42333?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-42333 have an EU (EUVD) identifier?: Yes. CVE-2024-42333 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39879.
When was CVE-2024-42333 published?: CVE-2024-42333 was published on 2024-11-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*

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