How severe is CVE-2023-48783?

CVE-2023-48783 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-48783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48783?

CVE-2023-48783 affects Fortinet Fortiportal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48783?

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

Does CVE-2023-48783 have an EU (EUVD) identifier?

Yes. CVE-2023-48783 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-52816.

When was CVE-2023-48783 published?

CVE-2023-48783 was published on 2024-01-10 and last updated on 2026-06-17.

CVE-2023-48783

CVE-2023-48783 is a medium-severity vulnerability in Fortinet Fortiportal with a CVSS 3.x base score of 5.4. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 22% (97th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-52816
Weakness: CWE-639
Affected product: Fortinet Fortiportal
Published: 2024-01-10
Last modified: 2026-06-17

Description

An Authorization Bypass Through User-Controlled Key vulnerability [CWE-639] affecting PortiPortal version 7.2.1 and below, version 7.0.6 and below, version 6.0.14 and below, version 5.3.8 and below may allow a remote authenticated user with at least read-only permissions to access to other organization endpoints via crafted GET requests.

Frequently asked questions

What is CVE-2023-48783?: An Authorization Bypass Through User-Controlled Key vulnerability [CWE-639] affecting PortiPortal version 7.2.1 and below, version 7.0.6 and below, version 6.0.14 and below, version 5.3.8 and below may allow a remote authenticated user with at least read-only permissions to access to other organization endpoints via crafted GET requests.
How severe is CVE-2023-48783?: CVE-2023-48783 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-48783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48783?: CVE-2023-48783 affects Fortinet Fortiportal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-48783 have an EU (EUVD) identifier?: Yes. CVE-2023-48783 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-52816.
When was CVE-2023-48783 published?: CVE-2023-48783 was published on 2024-01-10 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-23-408

Affected products (1)

cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*

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