CVE-2018-1000664: daneren2005 DSub for Subsonic (Android client) version 5.4.1 contains a CWE-295: Improper Certificate Validati

Routine

MEDIUM 5.9REMOTEDOWNGRADE

CVE-2018-1000664 is a medium-severity flaw (CVSS 5.9) affecting dsub for subsonic. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

daneren2005 DSub for Subsonic (Android client) version 5.4.1 contains a CWE-295: Improper Certificate Validation vulnerability in HTTPS Client that can result in Any non-CA signed server certificate, including self signed and expired, are accepted by the client. This attack appear to be exploitable via The victim connects to a server that's MITM/Proxied by an attacker.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-295
Published	2018-09-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dsub for subsonic project

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

Am I affected?

Timeline

2018-09-06 17:29 UTCPublished CVE record published
2026-06-17 01:33 UTCUpdated Record last modified

dsub for subsonic project dsub for subsonic DOWNGRADE

Affected: 5.4.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.4.1

1. Check installed version

apt-cache policy dsub-for-subsonic || rpm -q dsub-for-subsonic || dsub-for-subsonic --version

2. No fixed release: DOWNGRADE to a release before 5.4.1 (Debian / Ubuntu)

apt-cache madison dsub-for-subsonic sudo apt install dsub-for-subsonic=<VERSION_BEFORE_5.4.1> sudo apt-mark hold dsub-for-subsonic

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dsub-for-subsonic sudo dnf downgrade dsub-for-subsonic-<VERSION_BEFORE_5.4.1> sudo dnf versionlock add dsub-for-subsonic

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2018-1000664?

dsub for subsonic: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-1000664 being exploited?

CVE-2018-1000664 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-2018-1000664 affect?

CVE-2018-1000664 affects dsub for subsonic. Severity is medium (CVSS 5.9). daneren2005 DSub for Subsonic (Android client) version 5.4.1 contains a CWE-295: Improper Certificate Validation vulnerability in HTTPS Client that can result in Any non-CA signed server certificate, including self signed and expired, are a

How urgent is CVE-2018-1000664?

Priority 37/100. Remotely exploitable, no login, no user action

Software pages

Android vulnerabilities

References

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