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

published 2025-10-27 12 mo ago modified 2026-11-05 3 d ago also EUVD-2025-36185

cvss: 7.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

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 factor authentication. By hooking into app crypto routines and intercepting decryption paths, attacker can recover plaintext secrets, enabling generation of valid one-time passwords, and bypassing authentication for enrolled accounts.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 12 mo ago (2025-10-27)

Exploit prediction

0.15% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.2	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
CNA	3.1	7.2	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

Classification

Weakness

CWE-922 Insecure Storage of Sensitive Information
CWE-522 Insufficiently Protected Credentials
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

CVE List CVE-2025-61482
NVD CVE-2025-61482

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary