VDB-180556 · CVE-2021-21567 · ID 000189495

Dell PowerScale OneFS 9.1.0.x permission assignment

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.8	$5k-$25k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Dell PowerScale OneFS 9.1.0.x. This affects an unknown part. Executing a manipulation can lead to permission assignment. This vulnerability is handled as CVE-2021-21567. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in Dell PowerScale OneFS 9.1.0.x. It has been declared as critical. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a permission assignment vulnerability. The CWE definition for the vulnerability is CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 08/11/2021 as 000189495. The advisory is shared for download at dell.com. This vulnerability was named CVE-2021-21567. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/20/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Dell

Name

PowerScale OneFS

Version

9.1.0.x

License

commercial

Website

Vendor: https://www.dell.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (Dell): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
08/11/2021 +218 days 🔍
08/11/2021 +0 days 🔍
02/20/2026 +1654 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: 000189495
Status: Confirmed

CVE: CVE-2021-21567 (🔍)
GCVE (CVE): GCVE-0-2021-21567
GCVE (VulDB): GCVE-100-180556

Entryinfo

Created: 08/11/2021 13:17
Updated: 02/20/2026 20:20
Changes: 08/11/2021 13:17 (36), 08/15/2021 17:35 (2), 08/15/2021 17:42 (1), 02/20/2026 20:20 (40)
Complete: 🔍
Cache ID: 216::103