Dell EMC PowerScale OneFS up to 9.1.0.3 SmartConnect resource consumption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Dell EMC PowerScale OneFS up to 9.1.0.3. The affected element is an unknown function of the component SmartConnect. Executing a manipulation can lead to resource consumption. The identification of this vulnerability is CVE-2021-21565. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability was found in Dell EMC PowerScale OneFS up to 9.1.0.3. It has been declared as problematic. This vulnerability affects some unknown functionality of the component SmartConnect. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability.
The weakness was shared 08/03/2021 as 000188148. The advisory is shared for download at dell.com. This vulnerability was named CVE-2021-21565. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/20/2026). The MITRE ATT&CK project declares the attack technique as T1499.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Vendor
Name
Version
License
Website
- Vendor: https://www.dellemc.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CNA Base Score: 5.3
CNA Vector (Dell): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource consumptionCWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/04/2021 🔍08/03/2021 🔍
08/03/2021 🔍
02/20/2026 🔍
Sources
Vendor: dellemc.comAdvisory: 000188148
Status: Confirmed
CVE: CVE-2021-21565 (🔍)
GCVE (CVE): GCVE-0-2021-21565
GCVE (VulDB): GCVE-100-179944
Entry
Created: 08/03/2021 12:06Updated: 02/20/2026 20:20
Changes: 08/03/2021 12:06 (37), 08/07/2021 07:54 (2), 08/07/2021 08:00 (1), 02/20/2026 20:20 (40)
Complete: 🔍
Cache ID: 216::103
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