CVE-2021-42111

Name: CVE-2021-42111
Creator: NVD / NIST
Published: 2021-11-10T19:15:07.447+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2021-42111 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An issue was discovered in the RCDevs OpenOTP app 1.4.13 and 1.4.14 for iOS. If it is installed on a jailbroken device, it is possible to retrieve the PIN code used to access the application. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

An issue was discovered in the RCDevs OpenOTP app 1.4.13 and 1.4.14 for iOS. If it is installed on a jailbroken device, it is possible to retrieve the PIN code used to access the application. The IOS app version 1.4.1631262629 resolves this issue by storing a hash PIN code.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.24%

14.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Rcdevs	Openotp Token	1.4.13
Rcdevs	Openotp Token	1.4.14

References

https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-42111
https://excellium-services.com/cve-2021-42111/Third Party Advisory
https://excellium-services.com/cve-2021-42111/Third Party Advisory

Timeline

Published: Nov 10, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42111?

How severe is CVE-2021-42111?

CVE-2021-42111 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42111?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42111?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST