CVE-2023-49442

Name: CVE-2023-49442
Creator: NVD / NIST
Published: 2024-01-03T21:15:08.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 38.55%

Last modified Jun 17, 2026

CVE-2023-49442 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Deserialization of Untrusted Data in jeecgFormDemoController in JEECG 4.0 and earlier allows attackers to run arbitrary code via crafted POST request.. EPSS estimates a 38.55% chance of exploitation in the next 30 days.

Description

Deserialization of Untrusted Data in jeecgFormDemoController in JEECG 4.0 and earlier allows attackers to run arbitrary code via crafted POST request.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

38.55%

98.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Jeecg	Jeecg	<= 4.0

References

https://lemono.fun/thoughts/JEECG-RCE.htmlBroken Link
https://lemono.fun/thoughts/JEECG-RCE.htmlBroken Link

Timeline

Published: Jan 3, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-49442?

Deserialization of Untrusted Data in jeecgFormDemoController in JEECG 4.0 and earlier allows attackers to run arbitrary code via crafted POST request.

How severe is CVE-2023-49442?

CVE-2023-49442 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 38.55% probability of exploitation in the next 30 days.

How do I fix CVE-2023-49442?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-49442?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST