CVE-2021-42756 | THREATINT

Description

Multiple stack-based buffer overflow vulnerabilities [CWE-121] in the proxy daemon of FortiWeb 5.x all versions, 6.0.7 and below, 6.1.2 and below, 6.2.6 and below, 6.3.16 and below, 6.4 all versions may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests.

Reserved 2021-10-20 | Published 2023-02-16 | Updated 2024-10-23 | Assigner fortinet

CRITICAL: 9.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C

Problem types

Execute unauthorized code or commands

Product status

Default status

unaffected

6.4.0

affected

6.3.0

affected

6.2.0

affected

6.1.0

affected

6.0.0

affected

5.9.0

affected

5.8.5

affected

5.8.0

affected

5.7.0

affected

5.6.0

affected

5.8.0 before 5.8.*

affected

5.7.0 before 5.7.*

affected

5.6.0 before 5.6.*

affected

References

fortiguard.com/psirt/FG-IR-21-186

cve.org (CVE-2021-42756)

nvd.nist.gov (CVE-2021-42756)

Download JSON