cvedb.io
CVE-2021-3139
HIGH · CVSS 8.1
EPSS exploitation probability: 0%
Published 2021-01-13T16:15:14.617 · Last modified 2026-06-17T04:04:44.140

Summary

In Open-iSCSI tcmu-runner 1.3.x, 1.4.x, and 1.5.x through 1.5.2, xcopy_locate_udev in tcmur_cmd_handler.c lacks a check for transport-layer restrictions, allowing remote attackers to read or write files via directory traversal in an XCOPY request. For example, an attack can occur over a network if the attacker has access to one iSCSI LUN. NOTE: relative to CVE-2020-28374, this is a similar mistake in a different algorithm.

Affected products

tcmu-runner_project — tcmu-runner

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.