CVE-2023-28501

Name: CVE-2023-28501
Creator: NVD / NIST
Published: 2023-03-29T20:15:07.507+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.42%

Last modified Jun 17, 2026

CVE-2023-28501 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Rocket Software UniData versions prior to 8.2.4 build 3003 and UniVerse versions prior to 11.3.5 build 1001 or 12.2.1 build 2002 suffer from a heap-based buffer overflow in the unirpcd daemon that, if successfully exploited, can lead to remote code execution as the root user.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

Description

Rocket Software UniData versions prior to 8.2.4 build 3003 and UniVerse versions prior to 11.3.5 build 1001 or 12.2.1 build 2002 suffer from a heap-based buffer overflow in the unirpcd daemon that, if successfully exploited, can lead to remote code execution as the root user.

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

1.42%

69.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rocketsoftware	Unidata	<= 8.2.4
Rocketsoftware	Universe	<= 11.3.5
Rocketsoftware	Universe	>= 12.0.0, <= 12.2.1

References

https://www.rapid7.com/blog/post/2023/03/29/multiple-vulnerabilities-in-rocket-software-unirpc-server-fixed/Third Party Advisory
https://www.rapid7.com/blog/post/2023/03/29/multiple-vulnerabilities-in-rocket-software-unirpc-server-fixed/Third Party Advisory

Timeline

Published: Mar 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28501?

How severe is CVE-2023-28501?

CVE-2023-28501 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28501?

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-2023-28501?

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

Scan your code now

Source: NVD / NIST