CVE-2021-46433

CVE-2021-46433 is a critical-severity vulnerability in Fenom Project Fenom with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary PHP code when disable_native_funcs is true.

Frequently asked questions

What is CVE-2021-46433?
In fenom 2.12.1 and before, there is a way in fenom/src/Fenom/Template.php function getTemplateCode()to bypass sandbox to execute arbitrary PHP code when disable_native_funcs is true.
How severe is CVE-2021-46433?
CVE-2021-46433 has a CVSS 3.x base score of 10.0, 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-2021-46433 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46433?
CVE-2021-46433 affects Fenom Project Fenom. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46433?
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-2021-46433 published?
CVE-2021-46433 was published on 2022-03-28 and last updated on 2026-06-17.

References

Affected products (1)