What is CVE-2018-20073?

CVE-2018-20073 is a medium-severity vulnerability in Google Chrome, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-06-27.

How severe is CVE-2018-20073?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Google Chrome

CVE-2018-20073

Use of extended attributes in downloads in Google Chrome prior to 72.0.3626.81 allowed a local attacker to read download URLs via the filesystem.

Vulnerability class: Information Disclosure

Published 2019-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

Frequently asked questions

What is CVE-2018-20073?: CVE-2018-20073 is a medium-severity vulnerability in Google Chrome, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-06-27.
How severe is CVE-2018-20073?: Medium severity. CVSS v3 base score is 5.5 out of 10.