Path Traversal in Sulu
CVE-2021-43836
Sulu is an open-source PHP content management system based on the Symfony framework. In affected versions an attacker can read arbitrary local files via a PHP file include. In a default configuration this also leads to remote code execution. The problem is patched with the Versions 1.6.44, 2.2.18, 2.3.8, 2.4.0. For users unable to upgrade overwrite the service `sulu_route.generator.expression_token_provider` and wrap the translator before passing it to the expression language.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.020 (78.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Sulu — versions 2.4.0, >= 2.0.0, < 2.2.18, >= 2.3.0, < 2.3.8
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-43836?
- CVE-2021-43836 is a high-severity vulnerability in Sulu, classified under Path Traversal. CVSS score: 8.5/10. Published 2021-12-15.
- How severe is CVE-2021-43836?
- High severity. CVSS v3 base score is 8.5 out of 10.