CVE-2018-19945
CVSS V2 High 8.5
CVSS V3 Critical 9.1
Description
A vulnerability has been reported to affect earlier QNAP devices running QTS 4.3.4 to 4.3.6. Caused by improper limitations of a pathname to a restricted directory, this vulnerability allows for renaming arbitrary files on the target system, if exploited. QNAP have already fixed this vulnerability in the following versions: QTS 4.3.6.0895 build 20190328 (and later) QTS 4.3.4.0899 build 20190322 (and later) This issue does not affect QTS 4.4.x or QTS 4.5.x.
Overview
- CVE ID
- CVE-2018-19945
- Assigner
- security@qnapsecurity.com.tw
- Vulnerability Status
- Analyzed
- Published Version
- 2020-12-31T17:15:12
- Last Modified Date
- 2021-01-06T21:19:50
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | 1 | OR | 4.3.4 | 4.3.4.0899 |
| cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | 1 | OR | 4.3.5 | 4.3.6.0895 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- COMPLETE
- Base Score
- 8.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 7.8
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 9.1
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://www.qnap.com/zh-tw/security-advisory/qsa-20-21 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-19945 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19945 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:28:29 | Added to TrackCVE | |||
| 2022-12-05 19:14:45 | security@qnap.com | security@qnapsecurity.com.tw | CVE Assigner | updated |
| 2022-12-05 19:14:45 | 2020-12-31T17:15Z | 2020-12-31T17:15:12 | CVE Published Date | updated |
| 2022-12-05 19:14:45 | 2021-01-06T21:19:50 | CVE Modified Date | updated | |
| 2022-12-05 19:14:45 | Analyzed | Vulnerability Status | updated |