CVE-2021-21513: dell dell open manage server administrator Improper Authentication
Vulnerability summary
CVE-2021-21513 is a critical (CVSS 9.8) Improper Authentication vulnerability in dell dell open manage server administrator. EPSS estimates a 5.94% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 02-03-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- CVE.orgCNA8.6HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:LDiffers
EPSS trend
Probability
5.94%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
+0.20 pp
From 5.74% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (tenable.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Dell2 products
- dell open manage server administrator≥ unspecified, ≤ 9.5
- openmanage_server_administrator< 9.4.0.3 | ≥ 9.5.0.0, < 9.5.0.1
1 vendor · 2 products