CVE-2023-27997

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2023-27997

Confirmed

Yes

2023-06-13 00:00 UTC

Timestamps

2023-06-13

2023-06-13

Scope

KEV entry: Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability | Affected: Fortinet / FortiOS and FortiProxy SSL-VPN | Description: 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. | Required action: Apply updates per vendor instructions. | Due date: 2023-07-04 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://www.fortiguard.com/psirt/FG-IR-23-097; https://nvd.nist.gov/vuln/detail/CVE-2023-27997

References
  • {'id': 'CVE-2023-27997', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-27997'}

576cf278-1c0a-4ba4-8105-000bbdc92acd

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 13:24 UTC

2026-02-06 07:53 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-122"
  ],
  "date_added": "2023-06-13",
  "due_date": "2023-07-04",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Known",
  "product": "FortiOS and FortiProxy SSL-VPN",
  "vendorProject": "Fortinet",
  "vulnerabilityName": "Fortinet FortiOS and FortiProxy SSL-VPN Heap-Based Buffer Overflow Vulnerability"
}
 -
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