CVE-2022-4291

low-risk
Published 2022-12-08

The aswjsflt.dll library from Avast Antivirus windows contained a potentially exploitable heap corruption vulnerability that could enable an attacker to bypass the sandbox of the application it was loaded into, if applicable. This issue was fixed in version 18.0.1478 of the Script Shield Component.

Do I need to act?

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0.22% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.7/10 High
LOCAL / HIGH complexity

Affected Products (1)

Script Shield

Affected Vendors

Avast

References (2)

Vendor Advisory https://support.norton.com/sp/static/external/tools/security-advisories.html
Vendor Advisory https://support.norton.com/sp/static/external/tools/security-advisories.html
26
/ 100
low-risk
Severity 20/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal