CVE-2023-45586

mediumpriority · track · 20OT risk · elevatedEPSS 0.003 · 20 %ileDEEUNLRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.29% (20th) EPSS

CVSS 5 · medium

Is it mine?

43 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedRUGGEDCOM APE1808siemens_psirt
Update Fortigate NGFW to V7.4.3. Contact customer support to receive patch and update information.
FixedRUGGEDCOM APE1808cisa_csaf_ot
Update Fortigate NGFW to V7.4.3. Contact customer support to receive patch and update information.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 3.1 · impact 1.4

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:P/RL:O/RC:Csecondary · CISA US

v3.15mediumAV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:P/RL:X/RC:Csecondary · ENISA EU

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:Nsecondary · psirt@fortinet.comexploitability 3.1 · impact 1.4

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.14.6mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N/E:P/RL:X/RC:Csecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-345USprimaryCWE-345USCWE-345USCWE-345US

affected products (43)

Products and version ranges known to be affected.

Fortinet FortiOS 6.0.16all versionscert_bundDEcpe:/o:fortinet:fortios:6.0.16
Fortinet FortiOS 6.2all versionscert_bundDEcpe:/o:fortinet:fortios:6.2
Fortinet FortiOS 6.4all versionscert_bundDEcpe:/o:fortinet:fortios:6.4
Fortinet FortiOS 7.0all versionscert_bundDEcpe:/o:fortinet:fortios:7.0
Fortinet FortiProxy 1.0all versionscert_bundDEcpe:/a:fortinet:fortiproxy:1.0
Fortinet FortiProxy 1.1all versionscert_bundDEcpe:/a:fortinet:fortiproxy:1.1
Fortinet FortiProxy 1.2all versionscert_bundDEcpe:/a:fortinet:fortiproxy:1.2
Fortinet FortiProxy 2.0all versionscert_bundDEcpe:/a:fortinet:fortiproxy:2.0
RUGGEDCOM APE1808all versionscisa_csaf_otUS
Siemens RUGGEDCOM APE1808≤ vers:all/*cisa_csaf_otUS
Fortinet FortiOS≤ 7.0.0 ≤7.0.12enisa_euvdEU
Fortinet FortiOS≤ 7.4.0 ≤7.4.1enisa_euvdEU
Fortinet FortiOS≤ 6.4.0 ≤6.4.15enisa_euvdEU
Fortinet FortiOS≤ 7.2.0 ≤7.2.7enisa_euvdEU
Fortinet FortiOS≤ 6.2.0 ≤6.2.16enisa_euvdEU
Fortinet FortiProxy≤ 7.0.0 ≤7.0.13enisa_euvdEU
Fortinet FortiProxy≤ 2.0.0 ≤2.0.14enisa_euvdEU
Fortinet FortiProxy≤ 7.2.0 ≤7.2.7enisa_euvdEU
Fortinet FortiProxy≤ 7.4.0 ≤7.4.1enisa_euvdEU
Fortinet Inc. FortiOS≤ 6.2fstec_bduRU

showing 20 of 43

advisories (4)

Vendor and ecosystem advisories describing this.

NCSC-2024-0222Kwetsbaarheden verholpen in Fortinet FortiOSNL2024-05-16csaf · ncsc_nlNL
Fortinet heeft kwetsbaarheden verholpen in FortiOS.
SSA-832273SSA-832273: Multiple Vulnerabilities in Fortigate NGFW Before V7.4.3 on RUGGEDCOM APE1808 Devices2024-03-12csaf · siemens_psirtDE
Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.
WID-SEC-W-2024-1148Fortinet FortiOS und FortiProxy: Mehrere SchwachstellenDeutsch2024-05-14csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Fortinet FortiOS und Fortinet FortiProxy ausnutzen, um beliebigen Programmcode auszuführen und um Sicherheitsmaßnahmen zu umgehen.
ICSA-24-074-05Siemens RUGGEDCOM APE18082024-03-12icsa · cisa_csaf_otUS
Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version. Siemens is preparing further fix versions and recommends specific countermeasures for products where fixes are not, or not yet available.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund cisa_csaf_ot ncsc_nl siemens_psirt NVD CVE.org MITRE

published 2024-05-14modified 2026-06-17

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+1415 more

references (6)

External citations — patches, advisories, analysis.

scry

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