CVE-2025-62675
An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiO
Description
An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions may allow an attacker in possession of a valid web filter override token to inject arbitrary headers via tricking a user into clicking on a crafted link.
Weakness: CWE-113
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Fortinet | FortiOS | Firewall / NGFW | cna-assigner |
| Fortinet | FortiPAM | Identity / IAM / MFA | cna-assigner |
| Fortinet | FortiProxy | SASE / SSE / Secure Web | cna-assigner |
Vendor-reported products (4)
- Fortinet · FortiOS
- Fortinet · FortiPAM
- Fortinet · FortiProxy
- Siemens · RUGGEDCOM APE1808
Credit
Fortinet is pleased to thank Yaniv Nizry from Sonar for reporting this vulnerability under responsible disclosure.
Vendor remediation
Fortinet remediated this issue in FortiSASE version 25.4.b and hence customers do not need to perform any action. Upgrade to FortiProxy version 7.6.5 or above Upgrade to FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.5 or above