How severe is CVE-2022-38381?

CVE-2022-38381 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2022-38381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38381?

CVE-2022-38381 affects Fortinet Fortiadc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-38381?

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

When was CVE-2022-38381 published?

CVE-2022-38381 was published on 2022-11-02 and last updated on 2026-06-17.

CVE-2022-38381

CVE-2022-38381 is a medium-severity vulnerability in Fortinet Fortiadc with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fortinet Fortiadc
Published: 2022-11-02
Last modified: 2026-06-17

Description

An improper handling of malformed request vulnerability [CWE-228] exists in FortiADC 5.0 all versions, 6.0.0 all versions, 6.1.0 all versions, 6.2.0 through 6.2.3, and 7.0.0 through 7.0.2. This may allow a remote attacker without privileges to bypass some Web Application Firewall (WAF) protection such as the SQL Injection and XSS filters via a malformed HTTP request.

Frequently asked questions

What is CVE-2022-38381?: An improper handling of malformed request vulnerability [CWE-228] exists in FortiADC 5.0 all versions, 6.0.0 all versions, 6.1.0 all versions, 6.2.0 through 6.2.3, and 7.0.0 through 7.0.2. This may allow a remote attacker without privileges to bypass some Web Application Firewall (WAF) protection such as the SQL Injection and XSS filters via a malformed HTTP request.
How severe is CVE-2022-38381?: CVE-2022-38381 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2022-38381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38381?: CVE-2022-38381 affects Fortinet Fortiadc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-38381?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-38381 published?: CVE-2022-38381 was published on 2022-11-02 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-234

Affected products (1)

cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:*

More vulnerabilities in Fortinet Fortiadc

CVE-2023-37933 — High (CVSS 8.8): An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in…
CVE-2022-39947 — High (CVSS 8.8): A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiADC…
CVE-2022-38374 — High (CVSS 8.8): A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiADC 7.0.0 -…
CVE-2023-26205 — High (CVSS 8.1): An improper access control vulnerability [CWE-284] in FortiADC automation feature 7.1.0 through 7.1.2, 7.0 all…
CVE-2022-35851 — High (CVSS 8.0): An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiADC management interface…
CVE-2023-25607 — High (CVSS 7.8): An improper neutralization of special elements used in an OS Command ('OS Command Injection') vulnerability [CWE-78 ]…

All CVEs affecting Fortinet Fortiadc →