What is CVE-2020-12463?

CVE-2020-12463 is a high-severity vulnerability in Avira Software Updater. CVSS score: 7.8/10. Published 2020-05-05.

How severe is CVE-2020-12463?

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

Vulnerability in Avira Software Updater

CVE-2020-12463

An elevation of privilege vulnerability exists in Avira Software Updater before 2.0.6.27476 due to improperly handling file hard links. This allows local users to obtain take control of arbitrary files.

Published 2020-05-05 · 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 (36.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.5% 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 Software Updater

References

support.avira.com/hc/en-us/articles/360000142857-Avira-Software-Updater (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12463?: CVE-2020-12463 is a high-severity vulnerability in Avira Software Updater. CVSS score: 7.8/10. Published 2020-05-05.
How severe is CVE-2020-12463?: High severity. CVSS v3 base score is 7.8 out of 10.