What is CVE-2018-12572?

CVE-2018-12572 is a high-severity vulnerability in Avast Free Antivirus, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.8/10. Published 2019-03-21.

How severe is CVE-2018-12572?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Avast Free Antivirus

CVE-2018-12572

Avast Free Antivirus prior to 19.1.2360 stores user credentials in memory upon login, which allows local users to obtain sensitive information by dumping AvastUI.exe application memory and parsing the data.

Published 2019-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.8% 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

Avast Free Antivirus

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

packetstormsecurity.com/files/151590/Avast-Anti-Virus-Local-Credential-Disclosu… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2018-12572?: CVE-2018-12572 is a high-severity vulnerability in Avast Free Antivirus, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.8/10. Published 2019-03-21.
How severe is CVE-2018-12572?: High severity. CVSS v3 base score is 7.8 out of 10.