9.8
CRITICAL
CVE-2021-21513
Dell EMC OpenManage Server Administrator (OMSA) DWS Authentication Bypass Vulnerability
Description

Dell EMC OpenManage Server Administrator (OMSA) version 9.5 Microsoft Windows installations with Distributed Web Server (DWS) enabled configuration contains an authentication bypass vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to gain admin access on the affected system.

INFO

Published Date :

March 2, 2021, 4:15 p.m.

Last Modified :

Sept. 14, 2021, 4:50 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-21513 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dell openmanage_server_administrator
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-21513.

URL Resource
https://www.dell.com/support/kbdoc/en-us/000183670/dsa-2021-040-dell-emc-openmanage-server-administrator-omsa-security-update-for-multiple-vulnerabilities Vendor Advisory
https://www.tenable.com/security/research/tra-2021-07 Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-21513 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21513 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Sep. 14, 2021

    Action Type Old Value New Value
    Changed Reference Type https://www.tenable.com/security/research/tra-2021-07 No Types Assigned https://www.tenable.com/security/research/tra-2021-07 Exploit, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:dell:openmanage_server_administrator:*:*:*:*:*:*:*:* versions up to (including) 9.5.0.0 OR *cpe:2.3:a:dell:openmanage_server_administrator:*:*:*:*:*:*:*:* versions up to (excluding) 9.4.0.3 *cpe:2.3:a:dell:openmanage_server_administrator:*:*:*:*:*:*:*:* versions from (including) 9.5.0.0 up to (excluding) 9.5.0.1
  • CVE Modified by [email protected]

    Jul. 13, 2021

    Action Type Old Value New Value
    Added Reference https://www.tenable.com/security/research/tra-2021-07 [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 09, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.dell.com/support/kbdoc/en-us/000183670/dsa-2021-040-dell-emc-openmanage-server-administrator-omsa-security-update-for-multiple-vulnerabilities No Types Assigned https://www.dell.com/support/kbdoc/en-us/000183670/dsa-2021-040-dell-emc-openmanage-server-administrator-omsa-security-update-for-multiple-vulnerabilities Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration OR *cpe:2.3:a:dell:openmanage_server_administrator:*:*:*:*:*:*:*:* versions up to (including) 9.5.0.0
  • CVE Modified by [email protected]

    Mar. 02, 2021

    Action Type Old Value New Value
    Changed Description Dell EMC OpenManage Server Administrator (OMSA) version 9.5 Microsoft Windows installations with Distributed Web Server (DWS) enabled configuration contains an authentication bypass vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to gain admin access on the affected system. Dell EMC OpenManage Server Administrator (OMSA) version 9.5 Microsoft Windows installations with Distributed Web Server (DWS) enabled configuration contains an authentication bypass vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability to gain admin access on the affected system.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-21513 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.64 }} 0.04%

score

0.79241

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability