CVE-2023-38379

7.5 highEPSS 0.8%

High (7.5) in rigol mso5000 firmware. EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2023-07-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rigol:mso5000_firmware

References

https://news.ycombinator.com/item?id=36745664
https://tortel.li/post/insecure-scope/
https://news.ycombinator.com/item?id=36745664
https://tortel.li/post/insecure-scope/

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