CVE-2021-33840
HIGHCVSS 7.5/10EPSS 0.90%
Last modified
CVE-2021-33840 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Luca-App | Luca | <= 1.1.14 |
References
- https://gitlab.com/lucaapp/web/-/issues/1#note_560963608Third Party Advisory
- https://gitlab.com/lucaapp/web/-/issues/1#note_560963608Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-33840?
CVE-2021-33840 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33840?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
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Are you affected by CVE-2021-33840?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST