Resource exhaustion in Th-Wildau Covid-19 Contact Tracing
CVE-2021-33831
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.
EPSS: 0.020 (78.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Th-wildau Covid-19_contact_tracing
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-33831?
- CVE-2021-33831 is a medium-severity vulnerability in Th-Wildau Covid-19 Contact Tracing, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2021-09-07.
- How severe is CVE-2021-33831?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-33831 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.