What is CVE-2018-20381?

CVE-2018-20381 is a critical-severity vulnerability in Technicolor Dpc2320. CVSS score: 9.8/10. Published 2018-12-23.

How severe is CVE-2018-20381?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Technicolor Dpc2320

CVE-2018-20381

Technicolor DPC2320 dpc2300r2-v202r1244101-150420a-v6 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

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

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Technicolor Dpc2320
Technicolor Dpc2320 Firmware — versions dpc2300r2-v202r1244101-150420a-v6

References

github.com/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csv (Third Party Advisory)
misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.ht… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-20381?: CVE-2018-20381 is a critical-severity vulnerability in Technicolor Dpc2320. CVSS score: 9.8/10. Published 2018-12-23.
How severe is CVE-2018-20381?: Critical severity. CVSS v3 base score is 9.8 out of 10.