CVE-2022-28965

MEDIUMNVD 6.56.5—

6.5

Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 63.6%
KEV: Not listed

Published

May 20, 2022

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://forum.avast.com/index.php?topic=318305.0
cve@mitrehttps://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST2
af854a3a-2127-422b-91ae-364da2661108https://forum.avast.com/index.php?topic=318305.0
af854a3a-2127-422b-91ae-364da2661108https://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST2

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-427Uncontrolled Search Path Element

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2022-28965?

CVE-2022-28965 is a medium vulnerability published on May 20, 2022. Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.

When was CVE-2022-28965 disclosed?

CVE-2022-28965 was first published in the National Vulnerability Database on May 20, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-28965 actively exploited?

CVE-2022-28965 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-28965?

CVE-2022-28965 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2022-28965?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-28965, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-28965

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-28965?

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Published

Last Modified

References (4)

Frequently asked(5)

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