CVE-2021-21559

Published on: 06/08/2021 12:00:00 AM UTC

Last Modified on: 06/16/2021 12:34:00 AM UTC

CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Certain versions of Emc Networker from Dell contain the following vulnerability:

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.

  • CVE-2021-21559 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Dell - NetWorker version < 19.4.0.2

CVSS3 Score: 5.3 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
ADJACENT_NETWORK HIGH NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE HIGH NONE

CVSS2 Score: 2.9 - LOW

Access
Vector
Access
Complexity
Authentication
ADJACENT_NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags Link
Access Denied www.dell.com
text/html
Inactive LinkNot Archived
URL Logo MISC www.dell.com/support/kbdoc/en-us/000186638/dsa-2021-104-dell-emc-networker-security-update-for-multiple-vulnerabilities

Related QID Numbers

  • 375579 Dell EMC NetWorker Multiple Vulnerabilites (DSA-2021-104)

Exploit/POC from Github

PoC for exploiting CVE-2021-21559 : Dell EMC NetWorker, versions 18.x, 19.1.x, 19.2.x 19.3.x, 19.4, and 19.4.0.1 cont…

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationDellEmc NetworkerAllAllAllAll
  • cpe:2.3:a:dell:emc_networker:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-21559 : 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 C… twitter.com/i/web/status/1… 2021-06-08 18:09:41
Reddit Logo Icon /r/netcve CVE-2021-21559 2021-06-08 18:42:53
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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