CVE-2023-27997

critical-risk
Published 2023-06-13

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.

Do I need to act?

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89.1% chance of exploitation in next 30 days
EPSS score — higher than 11% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (13)

Affected Vendors

Fortinet

References (3)

Vendor Advisory https://fortiguard.com/psirt/FG-IR-23-097
Vendor Advisory https://fortiguard.com/psirt/FG-IR-23-097
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-...
76
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 17/34 · Moderate