CVE-2021-21352

Predictable tokens used for password resets

Description

Anuko Time Tracker is an open source, web-based time tracking application written in PHP. In TimeTracker before version 1.19.24.5415 tokens used in password reset feature in Time Tracker are based on system time and, therefore, are predictable. This opens a window for brute force attacks to guess user tokens and, once successful, change user passwords, including that of a system administrator. This vulnerability is pathced in version 1.19.24.5415 (started to use more secure tokens) with an additional improvement in 1.19.24.5416 (limited an available window for brute force token guessing).

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Vendor Advisory anuko.com
Affected: anuko timetracker
Published at:
Updated at:

References

Link Tags
https://www.anuko.com/time-tracker/index.htm vendor advisory
https://github.com/anuko/timetracker/security/advisories/GHSA-43c9-rx4h-4gqq mitigation third party advisory
https://github.com/anuko/timetracker/commit/40f3d9345adc20e6f28eb9f59e2489aff87fecf5 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-21352?
CVE-2021-21352 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21352?
To fix CVE-2021-21352, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21352 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-21352 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21352?
CVE-2021-21352 affects anuko timetracker.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.