Path Traversal in Silverpeas

CVE-2018-19586

Silverpeas 5.15 through 6.0.2 is affected by an authenticated Directory Traversal vulnerability that can be triggered during file uploads because core/webapi/upload/FileUploadData.java mishandles a StringUtil.java call. This vulnerability enables regular users to write arbitrary files on the underlying system with privileges of the user running the application. Especially, an attacker may leverage the vulnerability to write an executable JSP file in an exposed web directory to execute commands on the underlying system.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.051 (91.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-19586?
CVE-2018-19586 is a critical-severity vulnerability in Silverpeas, classified under Path Traversal. CVSS score: 9.9/10. Published 2019-04-09.
How severe is CVE-2018-19586?
Critical severity. CVSS v3 base score is 9.9 out of 10.