How severe is CVE-2022-40797?

CVE-2022-40797 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40797?

CVE-2022-40797 affects Roxyfileman Roxy Fileman. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40797?

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

When was CVE-2022-40797 published?

CVE-2022-40797 was published on 2022-11-09 and last updated on 2026-06-17.

CVE-2022-40797

CVE-2022-40797 is a critical-severity vulnerability in Roxyfileman Roxy Fileman with a CVSS 3.x base score of 9.8. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Roxyfileman Roxy Fileman
Published: 2022-11-09
Last modified: 2026-06-17

Description

Roxy Fileman 1.4.6 allows Remote Code Execution via a .phar upload, because the default FORBIDDEN_UPLOADS value in conf.json only blocks .php, .php4, and .php5 files. (Visiting any .phar file invokes the PHP interpreter in some realistic web-server configurations.)

Frequently asked questions

What is CVE-2022-40797?: Roxy Fileman 1.4.6 allows Remote Code Execution via a .phar upload, because the default FORBIDDEN_UPLOADS value in conf.json only blocks .php, .php4, and .php5 files. (Visiting any .phar file invokes the PHP interpreter in some realistic web-server configurations.)
How severe is CVE-2022-40797?: CVE-2022-40797 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40797?: CVE-2022-40797 affects Roxyfileman Roxy Fileman. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-40797 published?: CVE-2022-40797 was published on 2022-11-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:roxyfileman:roxy_fileman:1.4.6:*:*:*:*:*:*:*

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