VulnerabilityModified
CVE-2021-33840
The server in Luca through 1.1.14 allows remote attackers to cause a denial of service (insertion of many fake records related to COVID-19) because Phone Number data lacks a digital signature.
HIGH 7.5EPSS 0.90%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The server in Luca through 1.1.14 allows remote attackers to cause a denial of service (insertion of many fake records related to COVID-19) because Phone Number data lacks a digital signature.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.90% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-345
- Affected
- luca-app/luca
- Source
- cve@mitre.org
References
- https://gitlab.com/lucaapp/web/-/issues/1#note_560963608Third Party Advisory
- https://luca-app.de/securityoverview/processes/guest_registration.html#verifying-the-contact-dataVendor Advisory
- https://gitlab.com/lucaapp/web/-/issues/1#note_560963608Third Party Advisory
- https://luca-app.de/securityoverview/processes/guest_registration.html#verifying-the-contact-dataVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.