Is CVE-2023-27997 actively exploited?

CVE-2023-27997 has no public evidence of in-the-wild exploitation as of 2025-10-24.

What is the CVSS score for CVE-2023-27997?

CVE-2023-27997 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2023-27997?

Patch guidance is available from fortinet security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-27997.

Fix CVE-2023-27997 - CRITICAL fortinet fortiproxy

Q: Which products are affected by CVE-2023-27997?

23 products: fortinet fortiproxy, fortinet fortiproxy, fortinet fortiproxy, fortinet fortiproxy, fortinet fortiproxy, and 18 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-122 CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: FORTINET
Published: 6/13/2023
Last Modified: 10/24/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

fortinet : fortiproxyfortinet : fortiproxyfortinet : fortiproxyfortinet : fortiproxyfortinet : fortiproxyfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortiosfortinet : fortios

Remediation Guidance

Executive Summary

View on NIST NVD