CVE-2023-27997

CRITICALCISA KEV

9.8

Description

A heap-based buffer overflow vulnerability [CWE-122] in FortiOS version 7.2.4 and below, version 7.0.11 and below, version 6.4.12 and below, version 6.0.16 and below and FortiProxy version 7.2.3 and below, version 7.0.9 and below, version 2.0.12 and below, version 1.2 all versions, version 1.1 all versions SSL-VPN may allow a remote attacker to execute arbitrary code or commands via specifically crafted requests.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/13/2023

Last Modified10/24/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorFortinet

ProductFortiOS and FortiProxy SSL-VPN

Vulnerability NameFortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability

KEV Date Added2023-06-13

Remediation Due Date2023-07-04

Ransomware UseKnown

Affected Products

fortinet:fortigate_6000fortinet:fortigate_7000fortinet:fortiosfortinet:fortiproxy

Weaknesses (CWE)

CWE-122CWE-787

References

https://fortiguard.com/psirt/FG-IR-23-097(psirt@fortinet.com)

https://fortiguard.com/psirt/FG-IR-23-097(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27997(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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