CVE-2019-6453
HIGHEPSS 99th pctlDescription
mIRC before 7.55 allows remote command execution by using argument injection through custom URI protocol handlers. The attacker can specify an irc:// URI that loads an arbitrary .ini file from a UNC share pathname. Exploitation depends on browser-specific URI handling (Chrome is not exploitable).
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
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:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
References
Related Vulnerabilities
Other CWE-88 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2016-10033 | Critical | 9.8 | 100% | KEV | Fix |
| CVE-2022-36804 | High | 8.8 | 99% | KEV | Fix |
| CVE-2026-24061 | Critical | 9.8 | 99% | KEV | Fix |
| CVE-2007-0882 | High | 10.0 | 98% | - | - |
| CVE-2018-17456 | Critical | 9.8 | 97% | - | Fix |
| CVE-2018-19518 | High | 7.5 | 95% | - | Fix |
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Markdown
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This 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.