CVE-2023-27997 · netVigilance record NV23-0078
Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow
past due ransomware
What to do
Apply updates per vendor instructions.
CISA deadline 2023-07-04 · passed 3 years 2 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
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.
Who is affected
Fortinet FortiOS and FortiProxy SSL-VPN. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-122.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 3 years 2 months ago
Sources
- NVD entry for CVE-2023-27997 nvd.nist.gov/vuln/detail/CVE-2023-27997
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- fortiguard.com www.fortiguard.com/psirt/FG-IR-23-097
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2023-27997