CVE-2023-45586

Description

An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.12 & FortiProxy SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.13 allows an authenticated VPN user to send (but not receive) packets spoofing the IP of another user via crafted network packets.

CVSS v3.1 Score

5.0

MEDIUM

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

Weakness Type (CWE)

CWE-345 CWE-345

Affected Products

Vendor	Product	Versions
fortinet	fortiproxy	2.0.0 — 2.0.12
fortinet	fortiproxy	7.0.0 — 7.0.14
fortinet	fortiproxy	7.2.0 — 7.2.8
fortinet	fortiproxy	All
fortinet	fortiproxy	All
fortinet	fortios	6.2.0 — 6.2.16
fortinet	fortios	6.4.0 — 6.4.15
fortinet	fortios	7.0.0 — 7.0.13
fortinet	fortios	7.2.0 — 7.2.8
fortinet	fortios	All
fortinet	fortios	All

References

Advisories & Patches

https://fortiguard.com/psirt/FG-IR-23-225 https://fortiguard.com/psirt/FG-IR-23-225

Frequently Asked Questions

What is CVE-2023-45586? +

An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.12 & FortiProxy SSL-VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.13 allows an authenticated VPN user to send (but not receive) packets spoofing the IP of another user via crafted network packets. It has a CVSS v3.1 base score of 5.0 (MEDIUM).

How severe is CVE-2023-45586? +

CVE-2023-45586 has a CVSS v3.1 score of 5.0 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-45586? +

CVE-2023-45586 affects products from fortinet, specifically: fortios, fortiproxy. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-45586? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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