CVE-2021-31840
HIGHDescription
A vulnerability in the preloading mechanism of specific dynamic link libraries in McAfee Agent for Windows prior to 5.7.3 could allow an authenticated, local attacker to perform a DLL preloading attack with unsigned DLLs. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. This would result in the user gaining elevated permissions and being able to execute arbitrary code.
How to fix
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 27% of all known CVEs.
References
Related Vulnerabilities
Other CWE-427 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2020-27955 | Critical | 9.8 | 83% | - | - |
| CVE-2017-6517 | Critical | 9.8 | 46% | - | - |
| CVE-2020-3153 | Medium | 6.5 | 28% | KEV + Ransom | Fix |
| CVE-2024-48990 | High | 7.8 | 20% | - | Fix |
| CVE-2019-9491 | High | 7.8 | 13% | - | - |
| CVE-2020-3433 | High | 7.8 | 10% | KEV + Ransom | Fix |
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Markdown
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<a href="https://tridentstack.com/cve/CVE-2021-31840"><img src="https://tridentstack.com/cve/badge/CVE-2021-31840.svg" alt="CVE-2021-31840"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.