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CVE-2021-21549

HIGH
8.8
CVSS Score
Published: May 21, 2021 at 08:05 PM UTC
Updated: June 17, 2026 at 03:35 AM UTC
3 products affected across 1 vendorXtremio Management ServerXtremio X2Xtremio X1

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Severity
HIGH8.8
Exploit prediction
EPSS 0.4%

Description

Dell EMC XtremIO Versions prior to 6.3.3-8, contain a Cross-Site Request Forgery Vulnerability in XMS. A non-privileged attacker could potentially exploit this vulnerability, leading to a privileged victim application user being tricked into sending state-changing requests to the vulnerable application, causing unintended server operations.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xtremio Management Server· Dell
95%
v < 6.3.3-8v < XMS 6.3.3
Affected range stops below 6.3.3-8, so it looks safe — our inference, not a vendor statement
Affected range stops below XMS 6.3.3, so it looks safe — our inference, not a vendor statement
dell-xtremio-x1 (environment) · dell-xtremio-x2 (environment)
Xtremio X1· Delldevice
80%
All versions
Xtremio X2· Delldevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.dell.com/support/kbdoc/000186363

CVSS

8.8HIGHdell
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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