What is CVE-2018-11946?

CVE-2018-11946 is a medium-severity vulnerability in Google Android. CVSS score: 6.5/10. Published 2018-11-27.

How severe is CVE-2018-11946?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Google Android

CVE-2018-11946

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, the UPnP daemon should not be running out of box because it enables port forwarding without authentication.

Published 2018-11-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Google Android

References

source.codeaurora.org/quic/qsdk/oss/system/feeds/routing/commit/ (Patch, Third Party Advisory)
www.codeaurora.org/security-bulletin/2018/11/05/november-2018-code-aurora-forum… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-11946?: CVE-2018-11946 is a medium-severity vulnerability in Google Android. CVSS score: 6.5/10. Published 2018-11-27.
How severe is CVE-2018-11946?: Medium severity. CVSS v3 base score is 6.5 out of 10.