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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2021-44052

Arbitrary file read

Description

An improper link resolution before file access ('Link Following') vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero, and QTS. If exploited, this vulnerability allows remote attackers to traverse the file system to unintended locations and read or overwrite the contents of unexpected files. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero, and QTS: QuTScloud c5.0.1.1998 and later QuTS hero h4.5.4.1971 build 20220310 and later QuTS hero h5.0.0.1986 build 20220324 and later QTS 4.3.4.1976 build 20220303 and later QTS 4.3.3.1945 build 20220303 and later QTS 4.2.6 build 20220304 and later QTS 4.3.6.1965 build 20220302 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

QNAP Systems Inc. QuTScloud

  • unspecified to < c5.0.1.1998affected

QNAP Systems Inc. QuTS hero

  • unspecified to < h4.5.4.1971 build 20220310affected
  • unspecified to < h5.0.0.1986 build 20220324affected

QNAP Systems Inc. QTS

  • unspecified to < 4.3.4.1976 build 20220303affected
  • unspecified to < 4.3.3.1945 build 20220303affected
  • unspecified to < 4.2.6 build 20220304affected
  • unspecified to < 4.3.6.1965 build 20220302affected
  • unspecified to < 5.0.0.1986 build 20220324affected
  • unspecified to < 4.5.4.1991 build 20220329affected

References