How severe is CVE-2023-48791?

CVE-2023-48791 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-48791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48791?

CVE-2023-48791 primarily affects Fortinet Fortiportal. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-48791?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-48791 published?

CVE-2023-48791 was published on 2023-12-13 and last updated on 2026-06-17.

CVE-2023-48791

CVE-2023-48791 is a high-severity vulnerability in Fortinet Fortiportal with a CVSS 3.x base score of 8.8. 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-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Fortinet Fortiportal
Published: 2023-12-13
Last modified: 2026-06-17

Description

An improper neutralization of special elements used in a command ('Command Injection') vulnerability [CWE-77] in FortiPortal version 7.2.0, version 7.0.6 and below may allow a remote authenticated attacker with at least R/W permission to execute unauthorized commands via specifically crafted arguments in the Schedule System Backup page field.

Frequently asked questions

What is CVE-2023-48791?: An improper neutralization of special elements used in a command ('Command Injection') vulnerability [CWE-77] in FortiPortal version 7.2.0, version 7.0.6 and below may allow a remote authenticated attacker with at least R/W permission to execute unauthorized commands via specifically crafted arguments in the Schedule System Backup page field.
How severe is CVE-2023-48791?: CVE-2023-48791 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-48791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48791?: CVE-2023-48791 primarily affects Fortinet Fortiportal. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-48791?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-48791 published?: CVE-2023-48791 was published on 2023-12-13 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-23-425

Affected products (2)

cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiportal:7.2.0:*:*:*:*:*:*:*

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