PT-2021-2345 · Dell Emc · Dell Openmanage Server Administrator

Published 2021-03-02 · Updated 2021-09-14 · CVE-2021-21513

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Dell EMC OpenManage Server Administrator (OMSA) version 9.5

Description The issue is related to an authentication bypass vulnerability in the Dell EMC OpenManage Server Administrator (OMSA) when Distributed Web Server (DWS) is enabled. This vulnerability could allow a remote unauthenticated attacker to gain admin access on the affected system.

Recommendations For version 9.5, consider disabling the Distributed Web Server (DWS) configuration as a temporary workaround until a patch is available. Restrict access to the system to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2021-01583

CVE-2021-21513

Affected Products

Dell Openmanage Server Administrator

References · 10

• 🔥 https://tenable.com/security/research/tra-2021-07 · Exploit
• https://osv.dev/vulnerability/CVE-2021-21513 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21513 · Security Note
• https://dell.com/support/kbdoc/en-us/000183670/dsa-2021-040-dell-emc-openmanage-server-administrator-omsa-security-update-for-multiple-vulnerabilities · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01583 · Security Note
• https://t.me/cibsecurity/24344 · Telegram Post
• https://t.me/cvenotify/10729 · Telegram Post
• https://t.me/cvenotify/10730 · Telegram Post
• https://dell.com/support/kbdoc/ru-ru/000183670/dsa-2021-040-dell-emc-openmanage-server-administrator-omsa-security-update-for-multiple-vulnerabilities · Note
• https://t.me/cvenotify/10733 · Telegram Post