CVE-2024-3366: A vulnerability classified as problematic was found in Xuxueli xxl-job up to 2.4.1

Q: How do I fix CVE-2024-3366?

xxl-job: upgrade to 2.4.1. Exact commands for each OS are on this page.

Q: Is CVE-2024-3366 being exploited?

CVE-2024-3366 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-3366 affect?

CVE-2024-3366 affects xxl-job. Severity is low (CVSS 3.5). A vulnerability classified as problematic was found in Xuxueli xxl-job up to 2.4.1. This vulnerability affects the function deserialize of the file com/xxl/job/core/util/JdkSerializeTool.java of the component Template Handler. The manipulat

Q: How urgent is CVE-2024-3366?

Priority 33/100. Public exploit reference

Routine

LOW 3.5UPGRADE

CVE-2024-3366 is a low-severity flaw (CVSS 3.5) affecting xxl-job. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic was found in Xuxueli xxl-job up to 2.4.1. This vulnerability affects the function deserialize of the file com/xxl/job/core/util/JdkSerializeTool.java of the component Template Handler. The manipulation leads to injection. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259480.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-74, CWE-502
Published	2024-04-06
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: xuxueli

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-04-06 11:15 UTCPublished CVE record published
2026-06-17 07:44 UTCUpdated Record last modified

xuxueli xxl-job UPGRADE

Affected: < 2.4.1

Fixed in: 2.4.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xxl-job || rpm -q xxl-job || xxl-job --version

2. UPGRADE to 2.4.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xxl-job

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xxl-job

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-3366?

xxl-job: upgrade to 2.4.1. Exact commands for each OS are on this page.

Is CVE-2024-3366 being exploited?

CVE-2024-3366 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-3366 affect?

CVE-2024-3366 affects xxl-job. Severity is low (CVSS 3.5). A vulnerability classified as problematic was found in Xuxueli xxl-job up to 2.4.1. This vulnerability affects the function deserialize of the file com/xxl/job/core/util/JdkSerializeTool.java of the component Template Handler. The manipulat

How urgent is CVE-2024-3366?

Priority 33/100. Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2025-9264 MEDIUM 5.4 UPGRADE A vulnerability was found in Xuxueli xxl-job up to 3.1.1
CVE-2025-9263 MEDIUM 4.3 UPGRADE A vulnerability has been found in Xuxueli xxl-job up to 3.1.1
CVE-2025-7789 LOW 3.7 UPGRADE A vulnerability was found in Xuxueli xxl-job up to 3.1.1 and classified as problematic
CVE-2025-7788 MEDIUM 6.3 UPGRADE A vulnerability has been found in Xuxueli xxl-job up to 3.1.1 and classified as critical
CVE-2025-7787 MEDIUM 6.3 UPGRADE A vulnerability, which was classified as critical, was found in Xuxueli xxl-job up to 3.1.1

References

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