CVE-2025-61482
BaseFortify
Publication date: 2025-10-27
Last updated on: 2025-10-30
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| netknights | privacyidea_authenticator | 4.3.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-922 | The product stores sensitive information without properly limiting read or write access by unauthorized actors. |
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
| CWE-522 | The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. |
Attack-Flow Graph
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include treating rooted devices as untrusted and enforcing device integrity checks such as Mobile Device Management (MDM) solutions or Google's Play Integrity API to prevent usage on compromised devices. Additionally, using hardware-backed or external tokens to store OTP secrets can minimize exposure of plaintext secrets. Since no fixed version was available at the time of analysis, avoiding use of privacyIDEA Authenticator on rooted devices or restricting root access is recommended. [1]
Can you explain this vulnerability to me?
This vulnerability in privacyIDEA Authenticator v4.3.0 on Android allows local attackers with root access to hook into the app's cryptographic functions at runtime and intercept decryption operations. By doing so, they can recover plaintext OTP/TOTP/HOTP secret seeds stored in memory buffers. With these secrets, attackers can generate valid one-time passwords for enrolled accounts, effectively bypassing two-factor authentication. The attack requires root privileges and use of instrumentation tools like Frida, and it can be performed without user interaction even when the app is not actively displaying secrets. [1]
How can this vulnerability impact me? :
If your device is rooted and compromised, an attacker can extract your OTP secrets from the privacyIDEA Authenticator app, allowing them to generate valid one-time passwords and bypass two-factor authentication protections on your accounts. This can lead to account takeover, compromising the confidentiality and integrity of your accounts protected by this app. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
This vulnerability can be detected on rooted Android devices by using runtime instrumentation tools such as Frida to attach to the privacyIDEA Authenticator app process (it.netknights.piauthenticator) and hooking into its cryptographic functions to intercept decryption operations. A practical approach involves running Frida scripts that hook cipher functions to dump plaintext OTP secrets from memory buffers. For example, using Frida with a script similar to the tracer-cipher.js from the android-keystore-audit repository can help detect such activity. Commands would include installing Frida, connecting to the device, and running a script to trace cryptographic operations on the app process. [1, 2]