CVE-2021-33831

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-07 · updated 2026-06-17
Weakness: CWE-770

Description

api/account/register in the TH Wildau COVID-19 Contact Tracing application through 2021-09-01 has Incorrect Access Control. An attacker can interfere with tracing of infection chains by creating 500 random users within 2500 seconds.

Affected products

Th-Wildau Covid-19 Contact Tracing: through 2021-09-01

References

https://github.com/lanmarc77/CVE-2021-33831
https://www.th-wildau.de/studieren-weiterbilden/neuigkeiten-und-veranstaltungen/corona/
https://github.com/lanmarc77/CVE-2021-33831
https://www.th-wildau.de/studieren-weiterbilden/neuigkeiten-und-veranstaltungen/corona/

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