CVE-2021-26620
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
An improper authentication vulnerability leading to information leakage was discovered in iptime NAS2dual. Remote attackers are able to steal important information in the server by exploiting vulnerabilities such as insufficient authentication when accessing the shared folder and changing user’s passwords.
Overview
- CVE ID
- CVE-2021-26620
- Assigner
- vuln@krcert.or.kr
- Vulnerability Status
- Analyzed
- Published Version
- 2022-03-25T19:15:08
- Last Modified Date
- 2022-03-31T14:34:48
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:iptime:nas101_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas101:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:iptime:nas1dual_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas1dual:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:iptime:nas2dual_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas2dual:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:iptime:nas3_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas3:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:iptime:nas4_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas4:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:iptime:nas4dual_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas4dual:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:iptime:nas-i_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas-i:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:iptime:nas-ii_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas-ii:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:iptime:nas-iie_firmware:*:*:*:*:*:windows:*:* | 1 | OR | 1.4.82 | |
| cpe:2.3:h:iptime:nas-iie:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- 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:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- 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.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66578 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-26620 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26620 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:39:49 | Added to TrackCVE | |||
| 2022-12-06 13:17:13 | 2022-03-25T19:15Z | 2022-03-25T19:15:08 | CVE Published Date | updated |
| 2022-12-06 13:17:13 | 2022-03-31T14:34:48 | CVE Modified Date | updated | |
| 2022-12-06 13:17:13 | Analyzed | Vulnerability Status | updated |