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CVE-2023-37930

Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vul…

Severity
High8.8CVSS 3.1, High
EPSS
0.63%
Published
8 Apr 2025
Updated
17 Jun 2026

Description

Title, description and vendor guidance are quoted from the source records.

Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities vulnerability in Fortinet allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.

Weakness: CWE-908

Known exploited

Not listed in CISA KEV as of the last check.

Exploit prediction

0.63% probability of exploitation in the next 30 days (percentile 48%).

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the source states, per branch

Versions matched by Patcharo

Fortinet FortiProxySource: Fortinet (CVE record)

BranchAffectedFixed in
7.2
7.2.0 – 7.2.6
Fixed after 7.2.6
7.0
7.0.0 – 7.0.12
Fixed after 7.0.12

Versions not listed are stated unaffected by the vendor.

Fortinet FortiOSSource: Fortinet (CVE record)

BranchAffectedFixed in
7.4
Exact releases: 7.4.0
7.2
7.2.0 – 7.2.5
Fixed after 7.2.5
7.0
7.0.1 – 7.0.11
Fixed after 7.0.11
6.4
6.4.7 – 6.4.14
Fixed after 6.4.14

Versions not listed are stated unaffected by the vendor.

Workaround / Vendor remediation

Vendor remediation · FortiProxy

Please upgrade to FortiOS version 7.4.1 or above Please upgrade to FortiOS version 7.2.6 or above Please upgrade to FortiOS version 7.0.13 or above Please upgrade to FortiOS version 6.4.15 or above Please upgrade to FortiOS version 6.4.14 or above Please upgrade to FortiProxy version 7.4.0 or above Please upgrade to FortiProxy version 7.2.7 or above Please upgrade to FortiProxy version 7.0.13 or above FortiSASE is no longer impacted, issue remediated Q3/23 ## Workaround: Disable SSLVPN webmode. Alternatively, please use SSLVPN tunnel mode, IPsec (tunnel) or ZTNA (web access). https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-disable-SSL-VPN-Web-Mode-or-Tunnel-Mode-in/ta-p/217990 https://docs.fortinet.com/document/fortigate/7.2.3/administration-guide/45836/ssl-vpn-to-ipsec-vpn https://docs.fortinet.com/document/fortigate/7.2.3/administration-guide/78050/migrating-from-ssl-…

Vendor remediation · FortiOS

Please upgrade to FortiOS version 7.4.1 or above Please upgrade to FortiOS version 7.2.6 or above Please upgrade to FortiOS version 7.0.13 or above Please upgrade to FortiOS version 6.4.15 or above Please upgrade to FortiOS version 6.4.14 or above Please upgrade to FortiProxy version 7.4.0 or above Please upgrade to FortiProxy version 7.2.7 or above Please upgrade to FortiProxy version 7.0.13 or above FortiSASE is no longer impacted, issue remediated Q3/23 ## Workaround: Disable SSLVPN webmode. Alternatively, please use SSLVPN tunnel mode, IPsec (tunnel) or ZTNA (web access). https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-disable-SSL-VPN-Web-Mode-or-Tunnel-Mode-in/ta-p/217990 https://docs.fortinet.com/document/fortigate/7.2.3/administration-guide/45836/ssl-vpn-to-ipsec-vpn https://docs.fortinet.com/document/fortigate/7.2.3/administration-guide/78050/migrating-from-ssl-…

References

Provenance

Every fact on this page comes from the sources below. Nothing is written by an AI.

Fortinet (CVE record)
Fortinet (CVE record) · 27 Sept 2026, 23:46 UTC · Parser patcharo-cve5/1.1.0
NVD
NVD · 27 Sept 2026, 23:44 UTC · Parser patcharo-nvd/1.0.0
FIRST EPSS
FIRST EPSS · 27 Sept 2026, 23:46 UTC · Parser patcharo-epss/1.0.0

Last verified: 28 Sept 2026, 02:31 UTC