EUVD-2025-210622
GHSA-hcqf-2mp3-h5vf
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Predictable OTP enables unauthenticated remote account takeover (PR:N, AC:L, AV:N) with full data read/modify (C:H/I:H); no described service-disruption vector, so A:N rather than the input's A:H.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
My Safetipin Android Application 5.2.1 contains Hardcoded credentials in the authentication module, which allows remote attackers to bypass authentication and gain unauthorized access to user accounts via predictable OTP values.
AnalysisAI
Authentication bypass in the My Safetipin Android application version 5.2.1 stems from hardcoded credentials in the authentication module that produce predictable OTP values, letting remote attackers log in as arbitrary users and take over accounts without legitimate credentials. Any personal-safety data stored in a victim's account - location history, safety pins, and profile details - becomes exposed and modifiable. No public exploit has been identified at time of analysis, and the EPSS score of 0.27% (18th percentile) reflects low observed exploitation activity despite the maximal CVSS rating.
Technical ContextAI
The affected component is a consumer Android mobile app (com.safetipin.mysafetipin) distributed via Google Play, designed for personal/women's safety with features such as location safety scoring and pinning. The root cause is CWE-798 (Use of Hard-coded Credentials): a secret or seed embedded in the client authentication module makes the one-time-password generation deterministic. Because the OTP that should serve as a possession-based second factor is derived from static, predictable values rather than a per-user random secret, the OTP verification step becomes forgeable, collapsing the authentication guarantee. CPE data is uninformative here (cpe:2.3:a:n/a:n/a:*), so the affected identifier rests on the vendor package name and the stated version 5.2.1.
RemediationAI
No vendor-released patch identified at time of analysis; no fixed version is stated in the available data, so do not assume a specific upgrade target exists yet. Users should update My Safetipin to the latest Google Play build once Safetipin ships a release that replaces the hardcoded OTP seed with a server-side, per-user random secret, and should treat any accounts on 5.2.1 as potentially compromised. As compensating controls until a fix is confirmed: monitor the third-party advisory (https://github.com/Leoccc98/cve-reports/blob/main/advisories/CVE-2025-63823/README.md) and NVD (https://nvd.nist.gov/vuln/detail/CVE-2025-63823) for a patched version; the vendor should move OTP generation and verification entirely to the backend, invalidate existing sessions/tokens, and force credential re-enrollment. End users concerned about exposure can avoid storing sensitive location data in the app and consider uninstalling until a fixed version is published; the trade-off is loss of the app's safety functionality during that period.
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Same weakness CWE-798 – Use of Hard-coded Credentials
View allSame technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today