CVE-2025-61482

Improper handling of OTP/TOTP/HOTP values in NetKnights GmbH privacyIDEA Authenticator v.4.3.0 on Android allows local attackers with root access to bypass two…

High · published October 27, 2025

CVSS v3.1
7.2
EPSS
0%
Percentile
3.6
In the wild
Unconfirmed
What it is

🚨 Local attackers with root access can bypass two-factor authentication in the NetKnights GmbH privacyIDEA Authenticator v.4.3.0. It's like having a master key to access a secure vault—absolutely chilling! 🔥 Think of it like a sneaky locksmith who knows how to manipulate the lock mechanism to open any door without a proper key. Instead of requiring your biometric or password verification, they simply intercept and decode the signals meant for security. 🏰 If exploited, attackers could generate valid one-time passwords, allowing them to waltz right into sensitive accounts without breaking a sweat. This means they could access personal data, make unauthorized changes, or even hijack accounts with ease, posing a serious threat to user privacy and security.

Put simply

Think of it like a sneaky locksmith who knows how to manipulate the lock mechanism to open any door without a proper key. Instead of requiring your biometric or password verification, they simply intercept and decode the signals meant for security. 🏰 This vulnerability arises from improper handling of OTP/TOTP/HOTP values in the app, permitting attackers with root access to intercept decryption paths and recover plaintext secrets, rendering two-factor authentication ineffective.

What to do

If exploited, attackers could generate valid one-time passwords, allowing them to waltz right into sensitive accounts without breaking a sweat. This means they could access personal data, make unauthorized changes, or even hijack accounts with ease, posing a serious threat to user privacy and security. To remedy this issue, users should immediately update to the latest version of the privacyIDEA Authenticator. Additionally, enhancing app security with device integrity checks will help mitigate local attack vectors. Don't forget to audit permissions for sensitive apps! 🦸 You've got this! With a few quick updates, you can keep your accounts safe and sound! 🛡️

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00147 · 3.6th percentile
Published
2025-10-27T00:00Z
EPSS history
Timeline
  • 27 OCT 00:00Z
    Improper handling of OTP/TOTP/HOTP values in NetKnights GmbH privacyIDEA Authenticator v.4.3.0 on Android allows local attackers with root access to bypass two…
    cvelistv5