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.
Published 2021-06-08 18:15:08
Updated 2021-06-16 00:34:12
Source Dell
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-21559

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21559

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.9
LOW AV:A/AC:M/Au:N/C:N/I:P/A:N
5.5
2.9
NIST
5.3
MEDIUM CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
1.6
3.6
NIST
7.1
HIGH CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
1.2
5.9
Dell

CWE ids for CVE-2021-21559

Products affected by CVE-2021-21559

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