Vulnerability in Fortinet Fortios
CVE-2024-54021
An Improper Neutralization of CRLF Sequences in HTTP Headers ('http response splitting') vulnerability [CWE-113] in Fortinet FortiOS 7.2.0 through 7.6.0, FortiProxy 7.2.0 through 7.4.5 may allow a remote unauthenticated attacker to bypass the file filter via crafted HTTP headers.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.008 (54.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Fortinet Fortios — versions 7.6.0, 7.4.0, 7.2.0
- Fortinet Fortiproxy — versions 7.4.0, 7.2.0
Weakness classification (CWE)
References
- fortiguard.fortinet.com/psirt/FG-IR-24-282 (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-54021?
- CVE-2024-54021 is a medium-severity vulnerability in Fortinet Fortios, classified under HTTP Response Splitting. CVSS score: 6.5/10. Published 2025-01-14.
- How severe is CVE-2024-54021?
- Medium severity. CVSS v3 base score is 6.5 out of 10.