CVE-2021-28798
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
A relative path traversal vulnerability has been reported to affect QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability allows attackers to modify files that impact system integrity. QNAP have already fixed this vulnerability in the following versions: QTS 4.5.2.1630 Build 20210406 and later QTS 4.3.6.1663 Build 20210504 and later QTS 4.3.3.1624 Build 20210416 and later QuTS hero h4.5.2.1638 Build 20210414 and later QNAP NAS running QTS 4.5.3 are not affected.
Overview
- CVE ID
- CVE-2021-28798
- Assigner
- security@qnapsecurity.com.tw
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-21T03:15:09
- Last Modified Date
- 2022-10-18T21:07:17
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | 1 | OR | 4.3.2.0144 | 4.3.3.1624 |
| cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | 1 | OR | 4.3.4.0000 | 4.3.6.1663 |
| cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:* | 1 | OR | 4.4.0000 | 4.5.2.1630 |
| cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:* | 1 | OR | h4.5.2.1638 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
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:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.qnap.com/zh-tw/security-advisory/qsa-21-14 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-28798 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28798 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:13:41 | Added to TrackCVE | |||
| 2022-12-05 02:43:57 | security@qnap.com | security@qnapsecurity.com.tw | CVE Assigner | updated |
| 2022-12-05 02:43:57 | 2021-05-21T03:15Z | 2021-05-21T03:15:09 | CVE Published Date | updated |
| 2022-12-05 02:43:57 | 2022-10-18T21:07:17 | CVE Modified Date | updated | |
| 2022-12-05 02:43:57 | Analyzed | Vulnerability Status | updated |