Auth bypass in Rigol Mso5000

CVE-2023-38379

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-38379: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38379?
CVE-2023-38379 is a high-severity vulnerability in Rigol Mso5000, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2023-07-16.
How severe is CVE-2023-38379?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-38379 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.