Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dell | Emc Networker | >= 18.1.0.1, < 19.4.0.2 |
Related Weaknesses (CWE)
References
- https://www.dell.com/support/kbdoc/en-us/000186638/dsa-2021-104-dell-emc-networkPatchVendor Advisory
- https://www.dell.com/support/kbdoc/en-us/000186638/dsa-2021-104-dell-emc-networkPatchVendor Advisory
FAQ
What is CVE-2021-21559?
CVE-2021-21559 is a vulnerability with a CVSS score of 7.1 (HIGH). 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...
How severe is CVE-2021-21559?
CVE-2021-21559 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21559?
Check the references section above for vendor advisories and patch information. Affected products include: Dell Emc Networker.