CVE-2021-20203

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

June 9, 2026

Last Seen

June 9, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Multiple QEMU Vulnerabilities Affecting Ubuntu Systems57.8

On June 9, 2026, Ubuntu announced several vulnerabilities in QEMU affecting versions 14.04 LTS to 20.04 LTS. The vulnerabilities include denial of service risks and potential arbitrary code execution due to improper handling of iSCSI responses (CVE-2020-1711) and memory operations (CVE-2020-11947)....