What is CVE-2018-12551?

CVE-2018-12551 is a high-severity vulnerability in Eclipse Mosquitto, classified under CWE-703. CVSS score: 8.1/10. Published 2019-03-27.

How severe is CVE-2018-12551?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Eclipse Mosquitto

CVE-2018-12551

When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use a password file for authentication, any malformed data in the password file will be treated as valid. This typically means that the malformed data becomes a usern…

EPSS: 0.015 (70.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Eclipse Mosquitto
The Eclipse Foundation Mosquitto — versions 1.0, unspecified

Weakness classification (CWE)

References

emo@eclipse.org (x_refsource_CONFIRM, Exploit, Issue Tracking, Vendor Advisory)
emo@eclipse.org (mailing-list, x_refsource_MLIST)

Frequently asked questions

What is CVE-2018-12551?: CVE-2018-12551 is a high-severity vulnerability in Eclipse Mosquitto, classified under CWE-703. CVSS score: 8.1/10. Published 2019-03-27.
How severe is CVE-2018-12551?: High severity. CVSS v3 base score is 8.1 out of 10.