2021-21599 | Dell EMC PowerScale OneFS Smartlock WORM Compliance Mode os command injection

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.
6.9	$0-$5k	0.18

A vulnerability has been found in Dell EMC PowerScale OneFS up to 9.2.1.x and classified as critical. Affected by this vulnerability is an unknown function of the component Smartlock WORM Compliance Mode. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-78. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Dell EMC PowerScale OneFS versions 8.2.x – 9.2.1.x contain an OS command injection vulnerability. This may allow a user with ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE to escalate privileges and escape the compliance guarantees. This only impacts Smartlock WORM compliance mode clusters as a critical vulnerability and Dell recommends to update/upgrade at the earliest opportunity.

The weakness was published 08/17/2021. The advisory is shared at dell.com. This vulnerability is known as CVE-2021-21599 since 01/04/2021. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/19/2021).

Upgrading eliminates this vulnerability.

Vendor

Name

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation
CWE: CWE-78
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: dell.com

01/04/2021 CVE assigned
08/17/2021 +224 days Advisory disclosed
08/17/2021 +0 days VulDB entry created
08/19/2021 +2 days VulDB last updateVendor: https://www.dellemc.com/

Advisory: dell.com
Status: Confirmed

CVE: CVE-2021-21599 (🔒)

Created: 08/17/2021 09:04
Updated: 08/19/2021 13:11
Changes: (1) source_cve_cna
Complete: 🔍

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