Vulnerability

CVE-2024-21753

Medium· 5.5CVSS5.5EPSS1%

.rules3/5

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiClientEMS 7.2.0 through 7.2.4, FortiClientEMS 7.0 all versions, FortiClientEMS 6.4 all versions, FortiClientEMS 06.02 all versions, FortiClientEMS 6.2 all versions, FortiClientEMS 06.00 all versions, FortiClientEMS 6.0 all versions, FortiClientEMS 01.02.02 through 01.02.05 allows attacker to perform a denial of service, read or write a limited number of files via specially crafted HTTP requests

Threat signal

55/100

Elevated

Severity

medium

CVSS

5.5

EPSS

Active

CVSS

v3.1via NVDOpen in FIRST calculator →

5.5/ 10MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredHighAdmin / root privileges required.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactNoneNo confidentiality impact.
Integrity ImpactLowSome data modification; attacker doesn't fully control extent.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.74%

probability of exploitation in next 30 days

p54

higher than 54% of all CVEs

3-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2024-21753. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCDefer

No exploitation, limited impact or prevalence

exploitation: none
automatable: no
impact: partial
mission: support

Lifecycle

2024-09-10Published
2026-10-22Last modified1 source

References

https://fortiguard.fortinet.com/psirt/FG-IR-23-362