Auth bypass in Minidvblinux
CVE-2023-53771
MiniDVBLinux 5.4 contains an authentication bypass vulnerability that allows remote attackers to change the root password without authentication. Attackers can send crafted POST requests to the system setup endpoint with modified SYSTEM_PASSWORD parameters to reset root credentials.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (60.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: -0.000
Affected products
- Minidvblinux
- Minidvblinux Change Root Password Poc — versions <=5.4
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51094 (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5715.php (Exploit, Third Party Advisory, third-party-advisory)
- www.minidvblinux.de (Product, product)
- www.vulncheck.com/advisories/minidvblinux-unauthenticated-root-password-change-… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53771?
- CVE-2023-53771 is a critical-severity vulnerability in Minidvblinux, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-12-09.
- How severe is CVE-2023-53771?
- Critical severity. CVSS v3 base score is 9.8 out of 10.