CVE-2024-53477: JFinal CMS 5.1.0 is vulnerable to Command Execution via unauthorized execution of deserialization in the file

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2024-53477 is a critical-severity flaw (CVSS 9.8) affecting jfinal cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

JFinal CMS 5.1.0 is vulnerable to Command Execution via unauthorized execution of deserialization in the file ApiForm.java

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-502
Published	2024-12-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: jflyfox

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

Am I affected?

Timeline

2024-12-02 21:15 UTCPublished CVE record published
2026-06-17 08:08 UTCUpdated Record last modified

jflyfox jfinal cms DOWNGRADE

Affected: 5.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.1.0

1. Check installed version

apt-cache policy jfinal-cms || rpm -q jfinal-cms || jfinal-cms --version

2. No fixed release: DOWNGRADE to a release before 5.1.0 (Debian / Ubuntu)

apt-cache madison jfinal-cms sudo apt install jfinal-cms=<VERSION_BEFORE_5.1.0> sudo apt-mark hold jfinal-cms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list jfinal-cms sudo dnf downgrade jfinal-cms-<VERSION_BEFORE_5.1.0> sudo dnf versionlock add jfinal-cms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-53477?

jfinal cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-53477 being exploited?

CVE-2024-53477 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-2024-53477 affect?

CVE-2024-53477 affects jfinal cms. Severity is critical (CVSS 9.8). JFinal CMS 5.1.0 is vulnerable to Command Execution via unauthorized execution of deserialization in the file ApiForm.java

How urgent is CVE-2024-53477?

Priority 54/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

Related CVEs

CVE-2025-6105 MEDIUM 4.3 DOWNGRADE A vulnerability has been found in jflyfox jfinal_cms 5.0.1 and classified as problematic

References

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