CVE-2021-33623
A remote, anonymous attacker can exploit multiple vulnerabilities in Red Hat Virtualization to conduct a Denial of Service attack or disclose information.
CSIRTS triage
- What
- A remote, anonymous attacker can exploit multiple vulnerabilities in Red Hat Virtualization to conduct a Denial of Service attack or disclose information.
- Who is affected
- Deployments of Red Hat Virtualization.
- Urgency
- Remediation is medium urgency due to the potential for denial-of-service and information disclosure.
- Action
- Update to the latest version of Red Hat Virtualization.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Moderate exploitation risk2.9% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 85% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Red Hat Virtualization: Multiple vulnerabilities allow Denial of Servicecert-bund · 2026-07-02
External references
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[](https://www.csirts.com/cve/CVE-2021-33623)