CVE-2021-33637

CVE-2021-33637 is a high vulnerability published on October 29, 2023. When the isula export command is used to export a container to an image and the container is controlled by an attacker, the attacker can escape the container.

CVE-2021-33637 was first published in the National Vulnerability Database on October 29, 2023, 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.

CVE-2021-33637 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

CVE-2021-33637 has a CVSS v3 base score of 8.4 (NVD).

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-33637, 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.