High severity · published Oct 3, 2024
CVE-2024-5803
Local privelage escalation via COM hijacking
7.5
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Antivirus · AVG/Avast
<24.1 · source: vendor
AA
Avg Anti-virus · Avg
before 24.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-5803
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-5803
support.norton.com
https://support.norton.com/sp/static/external/tools/security-advisories.html
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