How severe is CVE-2023-25603?

CVE-2023-25603 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-25603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25603?

CVE-2023-25603 primarily affects Fortinet Fortiadc. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-25603?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-25603 published?

CVE-2023-25603 was published on 2023-11-14 and last updated on 2026-06-17.

CVE-2023-25603

CVE-2023-25603 is a medium-severity vulnerability in Fortinet Fortiadc with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-942.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-942
Affected product: Fortinet Fortiadc
Published: 2023-11-14
Last modified: 2026-06-17

Description

A permissive cross-domain policy with untrusted domains vulnerability in Fortinet FortiADC 7.1.0 - 7.1.1, FortiDDoS-F 6.3.0 - 6.3.4 and 6.4.0 - 6.4.1 allow an unauthorized attacker to carry out privileged actions and retrieve sensitive information via crafted web requests.

Frequently asked questions

What is CVE-2023-25603?: A permissive cross-domain policy with untrusted domains vulnerability in Fortinet FortiADC 7.1.0 - 7.1.1, FortiDDoS-F 6.3.0 - 6.3.4 and 6.4.0 - 6.4.1 allow an unauthorized attacker to carry out privileged actions and retrieve sensitive information via crafted web requests.
How severe is CVE-2023-25603?: CVE-2023-25603 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-25603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25603?: CVE-2023-25603 primarily affects Fortinet Fortiadc. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-25603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-25603 published?: CVE-2023-25603 was published on 2023-11-14 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-518

Affected products (5)

cpe:2.3:a:fortinet:fortiadc:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiadc:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiddos-f:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiddos-f:6.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiddos-f:6.4.1:*:*:*:*:*:*:*

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Other CWE-942 vulnerabilities

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CVE-2026-34449 — Critical (CVSS 9.6): SiYuan is a personal knowledge management system. Prior to version 3.6.2, a malicious website can achieve Remote Code…
CVE-2026-30924 — Critical (CVSS 9.6): qui is a web interface for managing qBittorrent instances. Versions 1.14.1 and below use a permissive CORS policy that…
CVE-2026-9739 — Critical (CVSS 9.4): Vulnerable to DNS rebinding attacks when using SSE (http://b/499408790). During the beta phase, we implemented…
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