Security readout for executives and security teams
Plain-English summary
CVE-2020-29392 affects Estil Hill Lock Password Manager Safe app 2.3 for iOS. The app reportedly contains a hardcoded backdoor password that can unlock the password vault. The main business risk is exposure of stored secrets if an attacker has physical access to an affected device.
Executive priority
Treat this as a targeted mobile secrets exposure issue, not a broad network emergency. Prioritize finding installations, moving any stored business passwords, and retiring the app from enterprise use.
Technical view
The CVE record states that app version 2.3 includes a backdoor password allowing unlock without the user-set master password. The vulnerability is local and requires physical device access. The public sources do not provide CVSS, CWE classification, CPE data, or a named vendor patch.
Likely exposure
Exposure appears limited to iOS devices with Estil Hill Lock Password Manager Safe app 2.3 installed. Organizations are most exposed where users stored business credentials in the app or where mobile device inventory is incomplete.
Exploitation context
The cited CVE describes exploitation requiring physical access to the device. The source bundle shows KEV is false and provides no cited evidence of active exploitation in the wild.
Researcher notes
Evidence is concise and centered on a hardcoded unlock backdoor in one iOS app version. The CVE metadata lacks structured affected products, CVSS, CWE, and remediation details, so validation should avoid assumptions beyond app/version presence and stored-secret exposure.
Mitigation direction
- Inventory managed and unmanaged iOS devices for the affected app and version.
- Remove the affected app or migrate secrets to a supported password manager.
- Check vendor or App Store guidance for any patched replacement before continued use.
- Rotate credentials stored in the app after migration, especially for business accounts.
Validation and detection
- Confirm whether Estil Hill Lock Password Manager Safe 2.3 exists in mobile inventory.
- Ask users whether business credentials were stored in the affected app.
- Review lost-device or unauthorized-access incidents involving potentially affected phones.
- Document that cited sources do not identify a vendor patch or fixed version.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-29392 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://i.blackhat.com/asia-20/Friday/asia-20-Loke-Patching-Loopholes-Finding-Backdoors-In-Applications.pdfCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
