What is CVE-2018-12270?

CVE-2018-12270 is a medium-severity vulnerability in Valvesoftware Steam Client, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2019-05-20.

How severe is CVE-2018-12270?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Improper input validation in Valvesoftware Steam Client

CVE-2018-12270

In Valve Steam 1528829181 BETA, it is possible to perform a homograph / homoglyph attack to create fake URLs in the client, which may trick users into visiting unintended web sites.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.009 (55.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Valvesoftware Steam_client — versions 1528829181
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-12270?: CVE-2018-12270 is a medium-severity vulnerability in Valvesoftware Steam Client, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2019-05-20.
How severe is CVE-2018-12270?: Medium severity. CVSS v3 base score is 5.4 out of 10.