How severe is CVE-2022-43947?

CVE-2022-43947 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2022-43947 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-2022-43947?

CVE-2022-43947 primarily affects Fortinet Fortiproxy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-43947?

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

When was CVE-2022-43947 published?

CVE-2022-43947 was published on 2023-04-11 and last updated on 2026-06-17.

CVE-2022-43947

CVE-2022-43947 is a medium-severity vulnerability in Fortinet Fortiproxy with a CVSS 3.x base score of 5.0. 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-307.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Fortinet Fortiproxy
Published: 2023-04-11
Last modified: 2026-06-17

Description

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions.

Frequently asked questions

What is CVE-2022-43947?: An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force attacks on other user accounts via injecting valid login sessions.
How severe is CVE-2022-43947?: CVE-2022-43947 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2022-43947 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-2022-43947?: CVE-2022-43947 primarily affects Fortinet Fortiproxy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-43947?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-43947 published?: CVE-2022-43947 was published on 2023-04-11 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-444

Affected products (2)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

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