CVE-2023-1900

Name: CVE-2023-1900
Creator: NVD / NIST
Published: 2023-04-19T19:15:07.19+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2023-1900 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.30%

21.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Avira	Antivirus	< 1.0.2303.633

References

https://support.norton.com/sp/static/external/tools/security-advisories.htmlThird Party Advisory
https://support.norton.com/sp/static/external/tools/security-advisories.htmlThird Party Advisory

Timeline

Published: Apr 19, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1900?

How severe is CVE-2023-1900?

CVE-2023-1900 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1900?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-1900?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST