| 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. |
|---|---|---|
| 4.1 | $0-$5k | 0.41 |
A vulnerability has been found in Dell EMC Unity, Unity XT and UnityVSA and classified as problematic. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a weak encryption vulnerability. The CWE definition for the vulnerability is CWE-312. As an impact it is known to affect confidentiality. CVE summarizes:
Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.1.0.0.5.394 contain a plain-text password storage vulnerability. A local malicious user with high privileges may use the exposed password to gain access with the privileges of the compromised user.
The weakness was disclosed 07/12/2021. The advisory is shared for download at dell.com. This vulnerability was named CVE-2021-21591 since 01/04/2021. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation needs a single authentication. 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 07/15/2021). The MITRE ATT&CK project declares the attack technique as T1555.
Upgrading to version 5.1.0.0.5.394 eliminates this vulnerability.
Vendor
Name
VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Weak encryption
CWE: CWE-312
ATT&CK: T1555
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | unlock | unlock | unlock | unlock |
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| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍
0-Day Time: 🔒
Upgrade: EMC Unity/Unity XT/UnityVSA 5.1.0.0.5.394
01/04/2021 CVE assigned
07/12/2021 Advisory disclosed
07/12/2021 VulDB entry created
07/15/2021 VulDB last updateVendor: https://www.dell.com/
Advisory: dell.com
Status: Confirmed
CVE: CVE-2021-21591 (🔒)
Created: 07/12/2021 20:56
Updated: 07/15/2021 18:18
Changes: (1) source_cve_cna
Complete: 🔍
Comments
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