Strix
26.1K

CVE-2021-43071

HIGHCVSS 8.8/10EPSS 1.22%

Last modified

CVE-2021-43071 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A heap-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests to the LogReport API controller.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.

Description

A heap-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests to the LogReport API controller.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.22%

64.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FortinetFortiweb>= 6.2.0, <= 6.2.6
FortinetFortiweb>= 6.3.0, <= 6.3.16
FortinetFortiweb6.4.0
FortinetFortiweb6.4.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-43071?
A heap-based buffer overflow in Fortinet FortiWeb version 6.4.1 and 6.4.0, version 6.3.15 and below, version 6.2.6 and below allows attacker to execute unauthorized code or commands via crafted HTTP requests to the LogReport API controller.
How severe is CVE-2021-43071?
CVE-2021-43071 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43071?
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-2021-43071?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST