CVE-2021-36187
HIGHCVSS 7.5/10EPSS 1.38%
Last modified
CVE-2021-36187 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A uncontrolled resource consumption in Fortinet FortiWeb version 6.4.0, version 6.3.15 and below, 6.2.5 and below allows attacker to cause a denial of service for webserver daemon via crafted HTTP requests. EPSS estimates a 1.38% chance of exploitation in the next 30 days.
Description
A uncontrolled resource consumption in Fortinet FortiWeb version 6.4.0, version 6.3.15 and below, 6.2.5 and below allows attacker to cause a denial of service for webserver daemon via crafted HTTP requests
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 |
|---|---|---|
| Fortinet | Fortiweb | >= 6.2.0, <= 6.2.5 |
| Fortinet | Fortiweb | >= 6.3.0, <= 6.3.15 |
| Fortinet | Fortiweb | 6.4.0 |
References
- https://fortiguard.com/advisory/FG-IR-21-039Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-21-039Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36187?
A uncontrolled resource consumption in Fortinet FortiWeb version 6.4.0, version 6.3.15 and below, 6.2.5 and below allows attacker to cause a denial of service for webserver daemon via crafted HTTP requests
How severe is CVE-2021-36187?
CVE-2021-36187 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.38% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36187?
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-2021-36187?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST