CVE-2024-5803 (CVSS 7.5)

Description

The AVGUI.exe of AVG/Avast Antivirus before versions before 24.1 can allow a local attacker to escalate privileges via an COM hijack in a time-of-check to time-of-use (TOCTOU) when self protection is disabled.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-367 CWE-367

References

Other References

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

Frequently Asked Questions

What is CVE-2024-5803? +

The AVGUI.exe of AVG/Avast Antivirus before versions before 24.1 can allow a local attacker to escalate privileges via an COM hijack in a time-of-check to time-of-use (TOCTOU) when self protection is disabled. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-5803? +

CVE-2024-5803 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-5803? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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