RCE in Xwiki

CVE-2020-15252

In XWiki before version 12.5 and 11.10.6, any user with SCRIPT right (EDIT right before XWiki 7.4) can gain access to the application server Servlet context which contains tools allowing to instantiate arbitrary Java objects and invoke methods that may lead to arbitrary code execution. This is patched in XWiki 12.5 and XWiki 11.10.6.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.034 (87.5th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-15252?
CVE-2020-15252 is a high-severity vulnerability in Xwiki, classified under Code Injection. CVSS score: 8.5/10. Published 2020-10-16.
How severe is CVE-2020-15252?
High severity. CVSS v3 base score is 8.5 out of 10.