CVE-2020-29016
Last modified
CVE-2020-29016 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A stack-based buffer overflow vulnerability in FortiWeb 6.3.0 through 6.3.5 and version before 6.2.4 may allow an unauthenticated, remote attacker to overwrite the content of the stack and potentially execute arbitrary code by sending a crafted request with a large certname.. EPSS estimates a 3.30% chance of exploitation in the next 30 days.
Description
A stack-based buffer overflow vulnerability in FortiWeb 6.3.0 through 6.3.5 and version before 6.2.4 may allow an unauthenticated, remote attacker to overwrite the content of the stack and potentially execute arbitrary code by sending a crafted request with a large certname.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiweb | < 6.2.4 |
| Fortinet | Fortiweb | >= 6.3.0, <= 6.3.5 |
References
- https://www.fortiguard.com/psirt/FG-IR-20-125Vendor Advisory
- https://www.fortiguard.com/psirt/FG-IR-20-125Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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.
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