{"cve":"CVE-2023-27997","nvd":{"published":"2023-06-13T09:15:16.613","modified":"2026-07-31T04:16:43.707","status":"Analyzed","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-787","CWE-122"],"references":["https://fortiguard.com/psirt/FG-IR-23-097","https://fortiguard.com/psirt/FG-IR-23-097","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27997"],"products":["fortinet:fortios","fortinet:fortiproxy"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-27997","score":0.85689,"percentile":0.99726,"date":"2026-10-31"},"kev":{"cve":"CVE-2023-27997","date_added":"2023-06-13","due_date":"2023-07-04","vendor":"Fortinet","product":"FortiOS and FortiProxy SSL-VPN","known_ransomware":true},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}