CVE-2023-53771: MiniDVBLinux 5.4 contains an authentication bypass vulnerability that allows remote attackers to change the ro

Q: How do I fix CVE-2023-53771?

minidvblinux: upgrade to newer than 5.4. Exact commands for each OS are on this page.

Q: Is CVE-2023-53771 being exploited?

CVE-2023-53771 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-53771 affect?

CVE-2023-53771 affects minidvblinux. Severity is critical (CVSS 9.8). 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_PAS

Q: How urgent is CVE-2023-53771?

Priority 68/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

This week

CRITICAL 9.8REMOTEWATCHLISTUPGRADE

CVE-2023-53771 is a critical-severity flaw (CVSS 9.8) affecting minidvblinux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-306
Published	2025-12-09
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: minidvblinux

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-09 21:15 UTCPublished CVE record published
2026-06-17 06:46 UTCUpdated Record last modified

minidvblinux minidvblinux UPGRADE

Affected: <= 5.4

Fixed in: newer than 5.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy minidvblinux || rpm -q minidvblinux || minidvblinux --version

2. UPGRADE to newer than 5.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade minidvblinux

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade minidvblinux

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · legofy · FIXED · 1.0.0-43.20261028git6913585.fc46 · FEDORA-2026-e1e60e1e32 · source

sudo dnf upgrade --advisory=FEDORA-2026-e1e60e1e32

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.exploit-db.com/exploits/51094
Write-up: www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5715.php

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-53771?

minidvblinux: upgrade to newer than 5.4. Exact commands for each OS are on this page.

Is CVE-2023-53771 being exploited?

CVE-2023-53771 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-53771 affect?

CVE-2023-53771 affects minidvblinux. Severity is critical (CVSS 9.8). 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_PAS

How urgent is CVE-2023-53771?

Priority 68/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action; On your watchlist

Related CVEs

CVE-2025-25038 CRITICAL 9.8 UPGRADE An OS command injection vulnerability exists in MiniDVBLinux version 5.4 and earlier
CVE-2023-53774 CRITICAL 9.8 UPGRADE MiniDVBLinux 5.4 contains a remote code execution vulnerability in the SVDRP protocol that allows remote attac
CVE-2023-53773 MEDIUM 5.3 UPGRADE MiniDVBLinux 5.4 contains an unauthenticated vulnerability in the tv_action.sh script that allows remote attac
CVE-2023-53772 HIGH 7.5 UPGRADE MiniDVBLinux 5.4 contains an arbitrary file disclosure vulnerability that allows attackers to read sensitive s
CVE-2023-53770 HIGH 7.5 UPGRADE MiniDVBLinux 5.4 contains an unauthenticated configuration download vulnerability that allows remote attackers

References

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