CVE-2021-21559
CVSS V2 Low 2.9
CVSS V3 Medium 5.3
Description
Dell EMC NetWorker, versions 18.x, 19.1.x, 19.2.x 19.3.x, 19.4, and 19.4.0.1 contain an Improper Certificate Validation vulnerability in the client (NetWorker Management Console) components which uses SSL encrypted connection in order to communicate with the application server. An unauthenticated attacker in the same network collision domain as the NetWorker Management Console client could potentially exploit this vulnerability to perform man-in-the-middle attacks to intercept and tamper the traffic between the client and the application server.
Overview
- CVE ID
- CVE-2021-21559
- Assigner
- security_alert@emc.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-08T18:15:08
- Last Modified Date
- 2021-06-16T00:34:11
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:dell:emc_networker:*:*:*:*:*:*:*:* | 1 | OR | 18.1.0.1 | 19.4.0.2 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 2.9
- Severity
- LOW
- Exploitability Score
- 5.5
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- HIGH
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5.3
- Base Severity
- MEDIUM
- Exploitability Score
- 1.6
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/000186638/dsa-2021-104-dell-emc-networker-security-update-for-multiple-vulnerabilities | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-21559 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21559 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:11:20 | Added to TrackCVE | |||
| 2022-12-05 03:44:04 | secure@dell.com | security_alert@emc.com | CVE Assigner | updated |
| 2022-12-05 03:44:04 | 2021-06-08T18:15Z | 2021-06-08T18:15:08 | CVE Published Date | updated |
| 2022-12-05 03:44:04 | 2021-06-16T00:34:11 | CVE Modified Date | updated | |
| 2022-12-05 03:44:04 | Analyzed | Vulnerability Status | updated |