How severe is CVE-2022-33876?

CVE-2022-33876 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-2022-33876 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33876?

CVE-2022-33876 primarily affects Fortinet Fortiadc. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-33876?

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

When was CVE-2022-33876 published?

CVE-2022-33876 was published on 2022-12-06 and last updated on 2026-06-17.

CVE-2022-33876

CVE-2022-33876 is a medium-severity vulnerability in Fortinet Fortiadc with a CVSS 3.x base score of 5.4. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Fortinet Fortiadc
Published: 2022-12-06
Last modified: 2026-06-17

Description

Multiple instances of improper input validation vulnerability in Fortinet FortiADC version 7.1.0, version 7.0.0 through 7.0.2 and version 6.2.4 and below allows an authenticated attacker to retrieve files with specific extension from the underlying Linux system via crafted HTTP requests.

Frequently asked questions

What is CVE-2022-33876?: Multiple instances of improper input validation vulnerability in Fortinet FortiADC version 7.1.0, version 7.0.0 through 7.0.2 and version 6.2.4 and below allows an authenticated attacker to retrieve files with specific extension from the underlying Linux system via crafted HTTP requests.
How severe is CVE-2022-33876?: CVE-2022-33876 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-2022-33876 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33876?: CVE-2022-33876 primarily affects Fortinet Fortiadc. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-33876?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-33876 published?: CVE-2022-33876 was published on 2022-12-06 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-253

Affected products (5)

cpe:2.3:a:fortinet:fortiadc:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiadc:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiadc:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiadc:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiadc:7.1.0:*:*:*:*:*:*:*

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