Cyber Resilience

CVE-2023-22641

Open Redirect in Fortinet Fortiproxy 1.0.0 – 2.0.12

Open Redirect
Published
11 April 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 4.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
EPSS Score 0.0030 22th percentile
Risk Priority 33 floored blend · peak EPSS

Summary

CVE-2023-22641 is a medium-severity Open Redirect (CWE-601) vulnerability in Fortinet Fortiproxy. Its CVSS base score is 4.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Phishing (T1566); ranked at the 22th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A01:2025 Broken Access Control

EU & UK References

Vulnerability Data

A url redirection to untrusted site ('open redirect') in Fortinet FortiOS version 7.2.0 through 7.2.3, FortiOS version 7.0.0 through 7.0.9, FortiOS versions 6.4.0 through 6.4.12, FortiOS all versions 6.2, FortiOS all versions 6.0, FortiProxy version 7.2.0 through 7.2.2, FortiProxy version…

more

7.0.0 through 7.0.8, FortiProxy all versions 2.0, FortiProxy all versions 1.2, FortiProxy all versions 1.1, FortiProxy all versions 1.0 allows an authenticated attacker to execute unauthorized code or commands via specially crafted requests.

CWE(s)
CWE-601

Related Threats

MITRE ATT&CK Enterprise Techniques

T1566 Phishing Initial Access
Adversaries may send phishing messages to gain access to victim systems.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-47890Same product: Fortinet Fortios
CVE-2023-29184Same product: Fortinet Fortios
CVE-2023-22639Same product: Fortinet Fortios
CVE-2025-25253Same product: Fortinet Fortios
CVE-2025-24472Same product: Fortinet Fortios
CVE-2023-33308Same product: Fortinet Fortios
CVE-2018-13383Same product: Fortinet Fortios
CVE-2023-28002Same product: Fortinet Fortios
CVE-2024-50568Same product: Fortinet Fortios
CVE-2024-54021Same product: Fortinet Fortios

Affected Assets

fortinet
fortiproxy
1.0.0 — 2.0.12 · 7.0.0 — 7.0.9 · 7.2.0 — 7.2.3
fortinet
fortios
6.0.0 — 6.4.13 · 7.0.0 — 7.0.11 · 7.2.0 — 7.2.4

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V3.7.2

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AT-2 Literacy Training and Awareness
addresses: CWE-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

SI-10 Information Input Validation
addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require input validation and untrusted-redirect controls that prevent CWE-601.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.23 Web filtering partial match
mitigates

Preventing access to attacker-controlled or malicious sites stops users from being redirected to untrusted locations via open-redirect or phishing links.

References