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Actively exploited

Listed in CISA’s Known Exploited Vulnerabilities catalog since June 13, 2023.

Known ransomware use

CVE-2023-27997

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

Fortinet · FortiOS and FortiProxy SSL-VPN

Added to KEV June 13, 2023

Alert details

Source feed
CISA KEV
CVE ID
CVE-2023-27997
CWE
CWE-122
Affected products
FortiOS and FortiProxy SSL-VPN · Fortinet FortiOS and FortiProxy SSL-VPN · Fortinet

What happened

Fortinet FortiOS and FortiProxy SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute code or commands via specifically crafted requests.

What it means for your business

Fortinet FortiOS and FortiProxy SSL-VPN is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2023-27997). Fortinet FortiOS and FortiProxy SSL-VPN contain a heap-based buffer overflow vulnerability which can allow an unauthenticated, remote attacker to execute code or commands via specifically crafted requests. CISA remediation due date: 2023-07-04. If you need help checking exposure, call (864) 335-9223.

Required action

Apply updates per vendor instructions.

CISA due date: July 4, 2023

Sources

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