CVE-2020-29392: The Estil Hill Lock Password Manager Safe app 2.3 for iOS has a #06# backdoor password

Routine

MEDIUM 4.6DOWNGRADE

CVE-2020-29392 is a medium-severity flaw (CVSS 4.6) affecting lock password manager safe app. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Estil Hill Lock Password Manager Safe app 2.3 for iOS has a *#06#* backdoor password. An attacker with physical access can unlock the password manager without knowing the master password set by the user.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.6 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-287
Published	2020-11-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lock password manager safe app project

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

Am I affected?

Timeline

2020-11-30 18:15 UTCPublished CVE record published
2026-06-17 03:11 UTCUpdated Record last modified

lock password manager safe app project lock password manager safe app DOWNGRADE

Affected: 2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3

1. Check installed version

apt-cache policy lock-password-manager-safe-app || rpm -q lock-password-manager-safe-app || lock-password-manager-safe-app --version

2. No fixed release: DOWNGRADE to a release before 2.3 (Debian / Ubuntu)

apt-cache madison lock-password-manager-safe-app sudo apt install lock-password-manager-safe-app=<VERSION_BEFORE_2.3> sudo apt-mark hold lock-password-manager-safe-app

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

dnf --showduplicates list lock-password-manager-safe-app sudo dnf downgrade lock-password-manager-safe-app-<VERSION_BEFORE_2.3> sudo dnf versionlock add lock-password-manager-safe-app

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-2020-29392?

lock password manager safe app: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-29392 being exploited?

CVE-2020-29392 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-2020-29392 affect?

CVE-2020-29392 affects lock password manager safe app. Severity is medium (CVSS 4.6). The Estil Hill Lock Password Manager Safe app 2.3 for iOS has a *#06#* backdoor password. An attacker with physical access can unlock the password manager without knowing the master password set by the user.

How urgent is CVE-2020-29392?

Priority 30/100. Public exploit reference

Software pages

iOS vulnerabilities

References

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CVE-2020-29392: The Estil Hill Lock Password Manager Safe app 2.3 for iOS has a *#06#* backdoor password