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CVE-2023-27997

9.8 · CRITICAL Actively Exploited
Published Jun 13, 2023 fortinet CWE-122 EPSS 85.69% (100th pctl)

Overview

CVE-2023-27997 is a critical-severity vulnerability affecting fortinet fortiproxy. It was published on June 13, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from fortinet. Update fortiproxy to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
fortinet fortiproxy 1.1.0 Affected
fortinet fortios 6.0.0 Affected

Frequently Asked Questions

What is CVE-2023-27997?

CVE-2023-27997 is a critical-severity vulnerability affecting fortinet fortiproxy. It was published on June 13, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2023-27997?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-27997?

Check the references section for vendor advisories and patches from fortinet. Update fortiproxy to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-27997?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-27997 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.