CVE-2023-1900

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-19 · updated 2026-06-17
Weakness: CWE-190

Description

A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. Issue was fixed with Endpointprotection.exe version 1.0.2303.633

Affected products

Avira Antivirus: before 1.0.2303.633 — fixed in 1.0.2303.633

How to fix

Upgrade to a fixed version: Avira Antivirus 1.0.2303.633. Check the vendor advisory for mitigations.

References

https://support.norton.com/sp/static/external/tools/security-advisories.html
https://support.norton.com/sp/static/external/tools/security-advisories.html

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