How severe is CVE-2023-34984?

CVE-2023-34984 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-34984 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34984?

CVE-2023-34984 affects Fortinet Fortiweb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34984?

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-2023-34984 published?

CVE-2023-34984 was published on 2023-09-13 and last updated on 2026-06-17.

CVE-2023-34984

CVE-2023-34984 is a high-severity vulnerability in Fortinet Fortiweb with a CVSS 3.x base score of 7.5. 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-693.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-693
Affected product: Fortinet Fortiweb
Published: 2023-09-13
Last modified: 2026-06-17

Description

A protection mechanism failure in Fortinet FortiWeb 7.2.0 through 7.2.1, 7.0.0 through 7.0.6, 6.4.0 through 6.4.3, 6.3.6 through 6.3.23 allows attacker to execute unauthorized code or commands via specially crafted HTTP requests.

Frequently asked questions

What is CVE-2023-34984?: A protection mechanism failure in Fortinet FortiWeb 7.2.0 through 7.2.1, 7.0.0 through 7.0.6, 6.4.0 through 6.4.3, 6.3.6 through 6.3.23 allows attacker to execute unauthorized code or commands via specially crafted HTTP requests.
How severe is CVE-2023-34984?: CVE-2023-34984 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-34984 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34984?: CVE-2023-34984 affects Fortinet Fortiweb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34984?: 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-2023-34984 published?: CVE-2023-34984 was published on 2023-09-13 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-23-068

Affected products (1)

cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*

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