XSS in Stormshield Network Security

CVE-2018-20850

Stormshield Network Security 2.0.0 through 2.13.0 and 3.0.0 through 3.7.1 has self-XSS in the command line interface of the SNS web server.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-20850: held from 0.005 to 0.004.

EPSS over last 30 days · oldest: 0.005 · newest: 0.004 · change: -0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-20850?
CVE-2018-20850 is a high-severity vulnerability in Stormshield Network Security, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2019-07-04.
How severe is CVE-2018-20850?
High severity. CVSS v3 base score is 8.2 out of 10.