QnapCVELIST:CVE-2021-44052CVE-2021-44052 Arbitrary file read
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
8.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.3%
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
CNA Affected
[
{
"product": "QuTScloud",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "c5.0.1.1998",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "QuTS hero",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "h4.5.4.1971 build 20220310",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "h5.0.0.1986 build 20220324",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "QTS",
"vendor": "QNAP Systems Inc.",
"versions": [
{
"lessThan": "4.3.4.1976 build 20220303",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "4.3.3.1945 build 20220303",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "4.2.6 build 20220304",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "4.3.6.1965 build 20220302",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "5.0.0.1986 build 20220324",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "4.5.4.1991 build 20220329",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
8.5 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
47.3%