Vulnerability · Published May 5, 2022 · Assigned by qnap
CVE-2021-44052Arbitrary file read
Medium 6.5
In plain English
A medium-severity security flaw in QTS from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | QuTScloud | unspecified – before c5.0.1.1998 |
| QNAP Systems Inc. | QuTS hero | unspecified – before h4.5.4.1971 build 20220310unspecified – before h5.0.0.1986 build 20220324 |
| QNAP Systems Inc. | QTS | unspecified – before 4.3.4.1976 build 20220303unspecified – before 4.3.3.1945 build 20220303unspecified – before 4.2.6 build 20220304unspecified – before 4.3.6.1965 build 20220302unspecified – before 5.0.0.1986 build 20220324unspecified – before 4.5.4.1991 build 20220329 |
Weakness: CWE-59 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://www.qnap.com/en/security-advisory/qsa-22-16 x_refsource_MISC