CVE-2021-46433 json
Sandbox bypass in fenom
published 2022-03-28 4 y ago modified 2026-06-17 4 mo ago also GHSA-674v-3g2w-84gx , EUVD-2022-1337
- cvss
- 10.0
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | fenom/fenom | <=2.12.1 |
no fix listed |
References
-
github.com
/fenom-template/fenom/issues/331
web, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-46433
advisory
-
github.com
/fenom-template/fenom
package
Sources
- CVE List CVE-2021-46433
- GitHub Advisory GHSA-674v-3g2w-84gx
- NVD CVE-2021-46433
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