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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.020 (80.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: +0.001
Affected products
- Sulu — versions 2.4.0, >= 2.0.0, < 2.2.18, >= 2.3.0, < 2.3.8
Weakness classification (CWE)
References
- github.com/sulu/sulu/security/advisories/GHSA-vx6j-pjrh-vgjh (Third Party Advisory)
- github.com/sulu/sulu/commit/9c948f9ce350c68b53af8c3910e2cefc7f722b54 (Patch, Third Party Advisory)
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.