CVE-2025-47890: Improper access control in Fortinet FortiOS
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.
AI Analysis
Technical Summary
CVE-2025-47890 is an improper access control vulnerability categorized as an open redirect (CWE-601) affecting Fortinet FortiOS versions 6.4.0, 7.0.0, 7.2.0, 7.4.0 through 7.4.8, and 7.6.0 through 7.6.3, as well as FortiProxy and FortiSASE products. The flaw allows unauthenticated attackers to craft HTTP requests that redirect users to untrusted external sites. The vulnerability has a low severity rating (CVSS 3.1 score 2.5) and requires user interaction (UI:R). Fortinet has issued an official fix for this vulnerability.
Potential Impact
The vulnerability enables an unauthenticated attacker to perform open redirect attacks, potentially leading users to malicious websites. However, the impact on confidentiality and availability is none, and integrity impact is low. The attack complexity is high and requires user interaction, limiting the overall risk.
Mitigation Recommendations
An official fix is available from Fortinet for the affected FortiOS and related products. Users and administrators should apply the vendor-provided patches to remediate this vulnerability. Since the vulnerability is fixed, no additional mitigation steps are required.
CVE-2025-47890: Improper access control in Fortinet FortiOS
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.
CVSS v3.1
Score 2.5low
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-47890 is an improper access control vulnerability categorized as an open redirect (CWE-601) affecting Fortinet FortiOS versions 6.4.0, 7.0.0, 7.2.0, 7.4.0 through 7.4.8, and 7.6.0 through 7.6.3, as well as FortiProxy and FortiSASE products. The flaw allows unauthenticated attackers to craft HTTP requests that redirect users to untrusted external sites. The vulnerability has a low severity rating (CVSS 3.1 score 2.5) and requires user interaction (UI:R). Fortinet has issued an official fix for this vulnerability.
Potential Impact
The vulnerability enables an unauthenticated attacker to perform open redirect attacks, potentially leading users to malicious websites. However, the impact on confidentiality and availability is none, and integrity impact is low. The attack complexity is high and requires user interaction, limiting the overall risk.
Mitigation Recommendations
An official fix is available from Fortinet for the affected FortiOS and related products. Users and administrators should apply the vendor-provided patches to remediate this vulnerability. Since the vulnerability is fixed, no additional mitigation steps are required.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- fortinet
- Date Reserved
- 2025-05-13T12:23:23.436Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
Threat ID: 68ee6cbb1b3029e3c7e04035
Added to database: 10/14/2025, 15:31:07 UTC
Last enriched: 08/11/2026, 13:11:32 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 295
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