CVE-2023-28462

Name: CVE-2023-28462
Creator: NVD / NIST
Published: 2023-03-30T20:15:07.733+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2023-28462 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A JNDI rebind operation in the default ORB listener in Payara Server 4.1.2.191 (Enterprise), 5.20.0 and newer (Enterprise), and 5.2020.1 and newer (Community), when Java 1.8u181 and earlier is used, allows remote attackers to load malicious code on the server once a JNDI directory scan is performed.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

A JNDI rebind operation in the default ORB listener in Payara Server 4.1.2.191 (Enterprise), 5.20.0 and newer (Enterprise), and 5.2020.1 and newer (Community), when Java 1.8u181 and earlier is used, allows remote attackers to load malicious code on the server once a JNDI directory scan is performed.

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

0.93%

56.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Payara	Payara Server	>= 4.1.2.191, <= 5.0.0
Payara	Payara Server	>= 5.20.0
Payara	Payara Server	>= 5.2020.1

References

https://blog.payara.fish/vulnerability-affecting-server-environments-on-java-1.8-on-updates-lower-than-1.8u191Mitigation, Vendor Advisory
https://blog.payara.fish/vulnerability-affecting-server-environments-on-java-1.8-on-updates-lower-than-1.8u191Mitigation, Vendor Advisory

Timeline

Published: Mar 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28462?

How severe is CVE-2023-28462?

CVE-2023-28462 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28462?

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-2023-28462?

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

Scan your code now

Source: NVD / NIST