What is CVE-2018-20379?

CVE-2018-20379 is a medium-severity vulnerability in Technicolor Dpc3928sl, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2018-12-23.

How severe is CVE-2018-20379?

Medium severity. CVSS v3 base score is 4.7 out of 10.

XSS in Technicolor Dpc3928sl

CVE-2018-20379

Technicolor DPC3928SL D3928SL-PSIP-13-A010-c3420r55105-160428a devices allow XSS via a Cross Protocol Injection attack with setSSID of 1.3.6.1.4.1.4413.2.2.2.1.18.1.2.1.1.3.10001.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-12-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Technicolor Dpc3928sl
Technicolor Dpc3928sl Firmware — versions d3928sl-psip-13-a010-c3420r55105-160428a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

misteralfa-hack.blogspot.com/2018/12/cisco-dpc3928sl-explotando-un-xss-via.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20379?: CVE-2018-20379 is a medium-severity vulnerability in Technicolor Dpc3928sl, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2018-12-23.
How severe is CVE-2018-20379?: Medium severity. CVSS v3 base score is 4.7 out of 10.