PT-2021-23053 · Fortinet · Fortiweb

Published 2021-12-08 · Updated 2021-12-09 · CVE-2021-41027

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions FortiWeb versions 6.4.0 through 6.4.1

Description A stack-based buffer overflow allows an authenticated attacker to execute unauthorized code or commands via crafted certificates loaded into the device.

Recommendations For FortiWeb versions 6.4.0 and 6.4.1, update to a version that contains a fix for this issue to prevent exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-41027

Affected Products

Fortiweb

References · 4

• https://osv.dev/vulnerability/CVE-2021-41027 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41027 · Security Note
• https://fortiguard.com/advisory/FG-IR-21-134 · Vendor Advisory
• https://t.me/cibsecurity/33583 · Telegram Post