CVE-2023-29733: The Lock Master app 2.2.4 for Android allows unauthorized apps to modify the values in its SharedPreference fi

Routine

HIGH 7.8DOWNGRADE

CVE-2023-29733 is a high-severity flaw (CVSS 7.8) affecting lock master. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Lock Master app 2.2.4 for Android allows unauthorized apps to modify the values in its SharedPreference files. These files hold data that affects many app functions. Malicious modifications by unauthorized apps can cause security issues, such as functionality manipulation, resulting in a severe escalation of privilege attack.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-276
Published	2023-05-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dualspace

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

Am I affected?

Timeline

2023-05-30 20:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

dualspace lock master DOWNGRADE

Affected: 2.2.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.4

1. Check installed version

apt-cache policy lock-master || rpm -q lock-master || lock-master --version

2. No fixed release: DOWNGRADE to a release before 2.2.4 (Debian / Ubuntu)

apt-cache madison lock-master sudo apt install lock-master=<VERSION_BEFORE_2.2.4> sudo apt-mark hold lock-master

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

dnf --showduplicates list lock-master sudo dnf downgrade lock-master-<VERSION_BEFORE_2.2.4> sudo dnf versionlock add lock-master

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-2023-29733?

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

Is CVE-2023-29733 being exploited?

CVE-2023-29733 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-2023-29733 affect?

CVE-2023-29733 affects lock master. Severity is high (CVSS 7.8). The Lock Master app 2.2.4 for Android allows unauthorized apps to modify the values in its SharedPreference files. These files hold data that affects many app functions. Malicious modifications by unauthorized apps can cause security issues

How urgent is CVE-2023-29733?

Priority 39/100. High severity; Public exploit reference

Software pages

Android vulnerabilities

Related CVEs

CVE-2023-27647 HIGH 7.1 DOWNGRADE An issue found in DUALSPACE Lock Master v.2.2.4 allows a local attacker to cause a denial of service or gain s

References

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