CVE-2024-26013 [High] | Security Vulnerability in Fortianalyzer

A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15 and before 6.2.16, Fortinet FortiProxy version 7.4.0 through 7.4.2, 7.2.0 through 7.2.9 and before 7.0.15, Fortinet FortiManager version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiAnalyzer version 7.4.0 through 7.4.2, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.14 and before 6.2.13, Fortinet FortiVoice version 7.0.0 through 7.0.2 before 6.4.8 and Fortinet FortiWeb before 7.4.2 may allow an unauthenticated attacker in a man-in-the-middle position to impersonate the management device (FortiCloud server or/and in certain conditions, FortiManager), via intercepting the FGFM authentication request between the management device and the managed device

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-05-24	0.24%	0.31%	+0.07%
2	2026-05-19	0.32%	0.24%	-0.08%
3	2026-05-17	—	0.32%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-05-24

0.24%

0.31%

+0.07%

2026-05-19

0.32%

0.24%

-0.08%

2026-05-17

—

0.32%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.1	HIGH	`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:H) Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:H) Serious risk that confidential data gets exposed in a big way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	1.6	5.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H): Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H): Serious risk that confidential data gets exposed in a big way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

1.6

5.9

[email protected]

Affected software / configurations for CVE-2024-26013

Vendor	Product	Version	Raw CPE
fortinet	fortianalyzer	>= 6.2.0, < 6.2.14	cpe:2.3:a:fortinet:fortianalyzer::::::::
fortinet	fortianalyzer	>= 6.4.0, < 6.4.15	cpe:2.3:a:fortinet:fortianalyzer::::::::
fortinet	fortianalyzer	>= 7.0.0, < 7.0.12	cpe:2.3:a:fortinet:fortianalyzer::::::::
fortinet	fortianalyzer	>= 7.2.0, < 7.2.5	cpe:2.3:a:fortinet:fortianalyzer::::::::
fortinet	fortianalyzer	>= 7.4.0, < 7.4.3	cpe:2.3:a:fortinet:fortianalyzer::::::::
fortinet	fortimanager	>= 6.2.0, < 6.2.14	cpe:2.3:a:fortinet:fortimanager::::::::
fortinet	fortimanager	>= 6.4.0, < 6.4.15	cpe:2.3:a:fortinet:fortimanager::::::::
fortinet	fortimanager	>= 7.0.0, < 7.0.12	cpe:2.3:a:fortinet:fortimanager::::::::
fortinet	fortimanager	>= 7.2.0, < 7.2.5	cpe:2.3:a:fortinet:fortimanager::::::::
fortinet	fortimanager	>= 7.4.0, < 7.4.3	cpe:2.3:a:fortinet:fortimanager::::::::
fortinet	fortios	>= 6.4.0, < 7.0.16	cpe:2.3:o:fortinet:fortios::::::::
fortinet	fortios	>= 7.2.0, < 7.2.9	cpe:2.3:o:fortinet:fortios::::::::
fortinet	fortios	>= 7.4.0, < 7.4.5	cpe:2.3:o:fortinet:fortios::::::::
fortinet	fortiproxy	>= 2.0.0, < 7.0.16	cpe:2.3:a:fortinet:fortiproxy::::::::
fortinet	fortiproxy	>= 7.2.0, < 7.2.10	cpe:2.3:a:fortinet:fortiproxy::::::::
fortinet	fortiproxy	>= 7.4.0, < 7.4.3	cpe:2.3:a:fortinet:fortiproxy::::::::
fortinet	fortivoice	>= 6.0.0, < 6.4.9	cpe:2.3:a:fortinet:fortivoice::::::::
fortinet	fortivoice	>= 7.0.0, < 7.0.3	cpe:2.3:a:fortinet:fortivoice::::::::
fortinet	fortiweb	>= 7.4.0, < 7.4.3	cpe:2.3:a:fortinet:fortiweb::::::::

References for CVE-2024-26013

URL	Tags
https://fortiguard.fortinet.com/psirt/FG-IR-24-046	Vendor Advisory

URL

CVE-2024-26013

Exploit prediction scoring system (EPSS) score for CVE-2024-26013

Common vulnerability scoring system (CVSS) metrics for CVE-2024-26013

Weakness enumeration for CVE-2024-26013

Affected software / configurations for CVE-2024-26013

References for CVE-2024-26013