CVE-2023-38379

Name: CVE-2023-38379
Creator: NVD / NIST
Published: 2023-07-16T17:15:09.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.59%

Last modified Jun 17, 2026

CVE-2023-38379 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The web interface on the RIGOL MSO5000 digital oscilloscope with firmware 00.01.03.00.03 allows remote attackers to change the admin password via a zero-length pass0 to the webcontrol changepwd.cgi application, i.e., the entered password only needs to match the first zero characters of the saved password.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

The web interface on the RIGOL MSO5000 digital oscilloscope with firmware 00.01.03.00.03 allows remote attackers to change the admin password via a zero-length pass0 to the webcontrol changepwd.cgi application, i.e., the entered password only needs to match the first zero characters of the saved password.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.59%

43.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
Rigol	Mso5000 Firmware	00.01.03.00.03

References

https://news.ycombinator.com/item?id=36745664Issue Tracking, Third Party Advisory
https://tortel.li/post/insecure-scope/Exploit, Third Party Advisory
https://news.ycombinator.com/item?id=36745664Issue Tracking, Third Party Advisory
https://tortel.li/post/insecure-scope/Exploit, Third Party Advisory

Timeline

Published: Jul 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38379?

How severe is CVE-2023-38379?

CVE-2023-38379 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38379?

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-2023-38379?

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

Scan your code now

Source: NVD / NIST