How severe is CVE-2020-12463?

CVE-2020-12463 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12463 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12463?

CVE-2020-12463 affects Avira Software Updater. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12463?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-12463 published?

CVE-2020-12463 was published on 2020-05-05 and last updated on 2026-06-17.

CVE-2020-12463

CVE-2020-12463 is a high-severity vulnerability in Avira Software Updater with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Avira Software Updater
Published: 2020-05-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-12463?: CVE-2020-12463 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12463 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12463?: CVE-2020-12463 affects Avira Software Updater. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12463?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-12463 published?: CVE-2020-12463 was published on 2020-05-05 and last updated on 2026-06-17.

References

https://support.avira.com/hc/en-us/articles/360000142857-Avira-Software-Updater

Affected products (1)

cpe:2.3:a:avira:software_updater:*:*:*:*:*:*:*:*

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