Dell EMC PowerScale OneFS 9.1.0/9.2.0.x/9.2.1.x file information disclosure

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.
6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Dell EMC PowerScale OneFS 9.1.0/9.2.0.x/9.2.1.x. Impacted is an unknown function. Such manipulation leads to file information disclosure. This vulnerability is referenced as CVE-2021-21528. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Dell EMC PowerScale OneFS 9.1.0/9.2.0.x/9.2.1.x and classified as problematic. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a file information disclosure vulnerability. Using CWE to declare the problem leads to CWE-538. The product places sensitive information into files or directories that are accessible to actors who are allowed to have access to the files, but not to the sensitive information. Impacted is confidentiality.

The weakness was published 11/13/2021 as 000193005. The advisory is shared for download at dell.com. This vulnerability is handled as CVE-2021-21528 since 01/04/2021. 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 11/13/2021). The MITRE ATT&CK project declares the attack technique as T1083.

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

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Dell): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: File information disclosure
CWE: CWE-538 / CWE-200 / CWE-284
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
11/13/2021 +313 days 🔍
11/13/2021 +0 days 🔍
11/16/2021 +3 days 🔍

Sourcesinfo

Vendor: dellemc.com

Advisory: 000193005
Status: Confirmed

CVE: CVE-2021-21528 (🔍)
GCVE (CVE): GCVE-0-2021-21528
GCVE (VulDB): GCVE-100-186620

Entryinfo

Created: 11/13/2021 09:52
Updated: 11/16/2021 14:27
Changes: 11/13/2021 09:52 (47), 11/16/2021 14:27 (1)
Complete: 🔍
Cache ID: 216::103

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