CVE-2021-33831
An attacker can interfere with tracing of infection chains by creating 500 random users within 2500 seconds.
Does this matter?
Lower severity and a low EPSS score (2.02%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.02% probability · 81th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- th-wildau/covid-19 contact tracing
- Source
- cve@mitre.org
EPSS 2.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/lanmarc77/CVE-2021-33831Third Party Advisory
- https://www.th-wildau.de/studieren-weiterbilden/neuigkeiten-und-veranstaltungen/corona/Vendor Advisory
- https://github.com/lanmarc77/CVE-2021-33831Third Party Advisory
- https://www.th-wildau.de/studieren-weiterbilden/neuigkeiten-und-veranstaltungen/corona/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.