CVE-2021-3005
MEDIUMCVSS 4.3/10EPSS 0.86%
Last modified
CVE-2021-3005 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.
Description
MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mk-Auth | Mk-Auth | <= 19.01 |
References
- http://mk-auth.com.br/Vendor Advisory
- https://gist.github.com/alacerda/3b925cb333eb839ae808d6f01642aeb3Third Party Advisory
- http://mk-auth.com.br/Vendor Advisory
- https://gist.github.com/alacerda/3b925cb333eb839ae808d6f01642aeb3Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3005?
MK-AUTH through 19.01 K4.9 allows remote attackers to obtain sensitive information (e.g., a CPF number) via a modified titulo (aka invoice number) value to the central/recibo.php URI.
How severe is CVE-2021-3005?
CVE-2021-3005 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3005?
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
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-3005?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST