CVE-2025-47890 and CVE-2025-31366: URL Redirection to Untrusted Site vulnerabilities [CWE-601] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS
This Fortinet advisory covers CVE-2025-47890 and CVE-2025-31366 in FortiOS, FortiProxy and FortiSASE. Its rating, versions and guidance apply to the bulletin as a whole, not to each of its 2 CVEs.
Key facts
- Bulletin rating
- Medium, CVSS 4.7
- Affected
- FortiOS: 6.4.0 through 7.6.3 (vendor-listed versions); FortiProxy: 7.0.0 through 7.6.3 (vendor-listed versions); FortiSASE: 25.2.a through 25.2.c (vendor-listed versions)
- Fixed in
- FortiOS 7.6: 7.6.4, FortiOS 7.4: 7.4.9, FortiOS 7.2: migrate to a fixed release and 6 more below
- Source published
- Source revised
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
An URL Redirection to Untrusted Site vulnerabilities [CWE-601] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions, FortiProxy 7.0 all versions, FortiSASE 25.2.a may allow an unauthenticated attacker to perform an open redirect attack via crafted HTTP requests.
Text from the source record.
- FortiOS: 6.4.0 through 7.6.3 (vendor-listed versions)
- FortiProxy: 7.0.0 through 7.6.3 (vendor-listed versions)
- FortiSASE: 25.2.a through 25.2.c (vendor-listed versions)
Official advisory · high-confidence parse· fetched ·verify at source
Fix and mitigation
Fixed releases named by the bulletin:
- FortiOS 7.6: 7.6.4
- FortiOS 7.4: 7.4.9
- FortiOS 7.2: migrate to a fixed release
- FortiOS 7.0: migrate to a fixed release
- FortiOS 6.4: migrate to a fixed release
- FortiProxy 7.6: 7.6.4
- FortiProxy 7.4: migrate to a fixed release
- FortiProxy 7.2: migrate to a fixed release
- FortiProxy 7.0: migrate to a fixed release
Vendor guidance
- Upgrade per the Affected/Solution table: FortiOS 7.6: 7.6.4; FortiOS 7.4: 7.4.9; FortiOS 7.2: migrate to a fixed release; FortiOS 7.0: migrate to a fixed release; FortiOS 6.4: migrate to a fixed release; ….
Support dates for the fixed release lines
- Fortinet FortiOS 7.6: support ends
- Fortinet FortiOS 7.4: support ends
- Fortinet FortiOS 7.2: support ended
- Fortinet FortiOS 7.0: support ended
- Fortinet FortiOS 6.4: support ended
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