1.9
CVSSv2

CVE-2021-32033

Published: 16/06/2021 Updated: 12/07/2022
CVSS v2 Base Score: 1.9 | Impact Score: 2.9 | Exploitability Score: 3.4
CVSS v3 Base Score: 4.6 | Impact Score: 3.6 | Exploitability Score: 0.9
VMScore: 169
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N

Vulnerability Summary

Protectimus SLIM NFC 70 10.01 devices allow a Time Traveler attack in which attackers can predict TOTP passwords in certain situations. The time value used by the device can be set independently from the used seed value for generating time-based one-time passwords, without authentication. Thus, an attacker with short-time physical access to a device can set the internal real-time clock (RTC) to the future, generate one-time passwords, and reset the clock to the current time. This allows the generation of valid future time-based one-time passwords without having further access to the hardware token.

Vulnerability Trend

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protectimus slim_nfc_70_firmware 10.01

Mailing Lists

<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> [SYSS-2021-007]: Protectimus SLIM NFC - External Control of System or Configuration Setting (CWE-15) (CVE-2021-32033) ...