What is CVE-2020-12254?

CVE-2020-12254 is a high-severity vulnerability in Avira Antivirus, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2020-04-26.

How severe is CVE-2020-12254?

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

Vulnerability in Avira Antivirus

CVE-2020-12254

Avira Antivirus before 5.0.2003.1821 on Windows allows privilege escalation or a denial of service via abuse of a symlink.

Published 2020-04-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Avira Antivirus

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

Frequently asked questions

What is CVE-2020-12254?: CVE-2020-12254 is a high-severity vulnerability in Avira Antivirus, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2020-04-26.
How severe is CVE-2020-12254?: High severity. CVSS v3 base score is 7.8 out of 10.