CVE-2021-41027
HIGHCVSS 7.8/10EPSS 0.16%
Last modified
CVE-2021-41027 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A stack-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, allows an authenticated attacker to execute unauthorized code or commands via crafted certificates loaded into the device.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.
Description
A stack-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, allows an authenticated attacker to execute unauthorized code or commands via crafted certificates loaded into the device.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiweb | 6.4.0 |
| Fortinet | Fortiweb | 6.4.1 |
References
- https://fortiguard.com/advisory/FG-IR-21-134Patch, Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-134Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-41027?
A stack-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, allows an authenticated attacker to execute unauthorized code or commands via crafted certificates loaded into the device.
How severe is CVE-2021-41027?
CVE-2021-41027 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2021-41027?
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.
Are you affected by CVE-2021-41027?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST