Vulnerability CVE-2021-33831
Published: 2021-09-07

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.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Th-wildau -> Covid-19 contact tracing 

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