What is CVE-2021-41017?

CVE-2021-41017 is a high-severity vulnerability in Fortinet Fortiweb, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-12-08.

How severe is CVE-2021-41017?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Fortinet Fortiweb

CVE-2021-41017

Multiple heap-based buffer overflow vulnerabilities in some web API controllers of FortiWeb 6.4.1, 6.4.0, and 6.3.0 through 6.3.15 may allow a remote authenticated attacker to execute arbitrary code or commands via specifically crafted HTT…

Vulnerability class: Buffer Overflow

EPSS: 0.019 (77.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fortinet Fortiweb — versions FortiWeb 6.4.1, 6.4.0, 6.3.0 through 6.3.15
Fortinet Fortiweb — versions 6.4.0, 6.4.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@fortinet.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-41017?: CVE-2021-41017 is a high-severity vulnerability in Fortinet Fortiweb, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-12-08.
How severe is CVE-2021-41017?: High severity. CVSS v3 base score is 8.8 out of 10.