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cvelistMitreCVELIST:CVE-2021-3139
HistoryJan 13, 2021 - 3:33 p.m.

CVE-2021-3139

2021-01-1315:33:45
mitre
www.cve.org
1

8.4 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.9%

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.