CVE-2021-33637
Published: 29 October 2023
Summary
CVE-2021-33637 is a high-severity Improper Initialization (CWE-665) vulnerability in Openeuler Isula. Its CVSS base score is 8.4 (High).
Operationally, ranked at the 9.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-20314
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Ensures shared resources are explicitly initialized or cleared on allocation, preventing exposure of prior contents to new users or processes.
Mandates that every instance begins in a known (presumably clean) state, eliminating reliance on residual or uninitialized state left by prior executions.