CVE-2021-42756 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.82165.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Fortinet	Fortiweb

Configuration 1 [-]

OR	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::
	cpe:2.3:a:fortinet:fortiweb::::::::

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

Upgrade to FortiWeb 7.0.0 or above, Upgrade to FortiWeb 6.3.17 or above, Upgrade to FortiWeb 6.2.7 or above. Upgrade to FortiWeb 6.1.3 or above. Upgrade to FortiWeb 6.0.8 or above.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://fortiguard.com/psirt/FG-IR-21-186

History

Wed, 23 Oct 2024 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: fortinet

Published: 2023-02-16T18:05:39.442Z

Updated: 2024-10-23T14:49:52.406Z

Reserved: 2021-10-20T17:44:45.604Z

Link: CVE-2021-42756

Vulnrichment

Updated: 2024-08-04T03:38:50.132Z

NVD

Status : Modified

Published: 2023-02-16T19:15:11.500

Modified: 2024-11-21T06:28:06.483

Link: CVE-2021-42756

Redhat

No data.

OpenCVE Enrichment

No data.

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