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Elastic Cloud Storage CVE-2025-26477

MEDIUM
Improper Input Validation (CWE-20)
2025-04-17 security_alert@emc.com
4.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.58%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

Dell ECS version 3.8.1.4 and prior contain an Improper Input Validation vulnerability. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-20. Dell ECS version 3.8.1.4 and prior contain an Improper Input Validation vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Code execution. Affected products include: Dell Elastic Cloud Storage, Dell Objectscale. Version information: version 3.8.1.4.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

DescriptionCVE.org

Dell ECS version 3.8.1.4 and prior contain an Improper Input Validation vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Code execution.

Executive ViewAI

Why It Matters

CVE-2025-26477 presents moderate security risk, a input validation vulnerability rated CVSS 4.3. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.

Threat Intelligence Overview

EPSS Score
0.6%
Top 31% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.6%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

23
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

cpe:2.3:a:dell:elastic_cloud_storage:*:*:*:*:*:*:*:*
cpe:2.3:a:dell:objectscale:*:*:*:*:*:*:*:*
CVE-2017-8021 CRITICAL
9.8 Oct 03

EMC Elastic Cloud Storage (ECS) before 3.1 is affected by an undocumented account vulnerability that could potentially b

CVE-2018-11052 CRITICAL
9.8 Jul 03

Dell EMC ECS versions 3.2.0.0 and 3.2.0.1 contain an authentication bypass vulnerability. Rated critical severity (CVSS

CVE-2026-22273 HIGH
8.8 Jan 23

Privilege escalation in Dell ECS 3.8.1.0-3.8.1.7 and ObjectScale prior to 4.2.0.0 stems from hardcoded default credentia

CVE-2026-22271 HIGH
7.5 Jan 23

Elastic Cloud Storage versions up to 3.8.1.7 is affected by cleartext transmission of sensitive information (CVSS 7.5).

CVE-2023-25934 HIGH
7.5 May 04

DELL ECS prior to 3.8.0.2 contains an improper verification of cryptographic signature vulnerability. Rated high severit

CVE-2026-22274 MEDIUM
6.5 Jan 23

Elastic Cloud Storage versions up to 3.8.1.7 is affected by cleartext transmission of sensitive information (CVSS 6.5).

CVE-2024-51540 MEDIUM
6.5 Dec 26

Dell ECS, versions prior to 3.8.1.3 contains an arithmetic overflow vulnerability exists in retention period handling of

CVE-2024-30473 MEDIUM
6.5 Jul 18

Dell ECS, versions prior to 3.8.1, contain a privilege elevation vulnerability in user management. Rated medium severity

CVE-2024-22459 MEDIUM
6.5 Feb 28

Dell ECS, versions 3.6 through 3.6.2.5, and 3.7 through 3.7.0.6, and 3.8 through 3.8.0.4 versions, contain an improper a

CVE-2026-28261 MEDIUM
5.5 Apr 08

Local privilege escalation in Dell Elastic Cloud Storage (≤3.8.1.7) and ObjectScale (<4.1.0.3, =4.2.0.0) allows authenti

CVE-2026-22276 MEDIUM
5.5 Jan 23

Elastic Cloud Storage versions up to 3.8.1.7 is affected by cleartext storage of sensitive information (CVSS 5.5).

CVE-2024-52534 MEDIUM
5.4 Dec 25

Dell ECS, version(s) prior to ECS 3.8.1.3, contain(s) an Authentication Bypass by Capture-replay vulnerability. Rated me

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