Vulnerability Description
A missing cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to tamper with signed URLs by appending further data which allows bypass of signature verification.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortimail | >= 6.2.0, <= 6.2.7 |
Related Weaknesses (CWE)
References
- https://fortiguard.com/advisory/FG-IR-21-027Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-027Vendor Advisory
FAQ
What is CVE-2021-24020?
CVE-2021-24020 is a vulnerability with a CVSS score of 7.5 (HIGH). A missing cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to tamper with signed UR...
How severe is CVE-2021-24020?
CVE-2021-24020 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-24020?
Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortimail.