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

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Summary

CVECVE-2023-27997
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-13 09:15:00 UTC
Updated2023-11-07 04:10:00 UTC
DescriptionA 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.

Risk And Classification

EPSS: 0.903510000 probability, percentile 0.996020000 (date 2026-04-05)

CISA KEV: Listed on 2023-06-13; due 2023-07-04; ransomware use Known

Problem Types: CWE-787

CISA Known Exploited Vulnerability

VendorFortinet
ProductFortiOS and FortiProxy SSL-VPN
NameFortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://www.fortiguard.com/psirt/FG-IR-23-097; https://nvd.nist.gov/vuln/detail/CVE-2023-27997

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fortinet Fortios All All All All
Operating System Fortinet Fortios All All All All
Operating System Fortinet Fortios All All All All
Operating System Fortinet Fortios All All All All
Operating System Fortinet Fortios All All All All
Application Fortinet Fortios-6k7k 6.0.10 All All All
Application Fortinet Fortios-6k7k 6.0.12 All All All
Application Fortinet Fortios-6k7k 6.0.13 All All All
Application Fortinet Fortios-6k7k 6.0.14 All All All
Application Fortinet Fortios-6k7k 6.0.15 All All All
Application Fortinet Fortios-6k7k 6.0.16 All All All
Application Fortinet Fortios-6k7k 6.2.4 All All All
Application Fortinet Fortios-6k7k 6.2.6 All All All
Application Fortinet Fortios-6k7k 6.2.7 All All All
Application Fortinet Fortios-6k7k 6.2.9 All All All
Application Fortinet Fortios-6k7k 6.4.10 All All All
Application Fortinet Fortios-6k7k 6.4.12 All All All
Application Fortinet Fortios-6k7k 6.4.2 All All All
Application Fortinet Fortios-6k7k 6.4.6 All All All
Application Fortinet Fortios-6k7k 6.4.8 All All All
Application Fortinet Fortios-6k7k 7.0.10 All All All
Application Fortinet Fortios-6k7k 7.0.5 All All All
Application Fortinet Fortios-6k7k All All All All
Application Fortinet Fortiproxy All All All All
Application Fortinet Fortiproxy All All All All
Application Fortinet Fortiproxy All All All All
Application Fortinet Fortiproxy All All All All
Application Fortinet Fortiproxy All All All All

References

ReferenceSourceLinkTags
PSIRT Advisories | FortiGuard MISC fortiguard.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 44059 Fortinet FortiOS Heap-Based Buffer Overflow Vulnerability (FG-IR-23-097)
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