Pure Storage VASA vSphere/ESXi privilege escalation

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.
8.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as very critical, has been found in Pure Storage VASA. Impacted is an unknown function of the file vSphere/ESXi. This manipulation causes an unknown weakness. This vulnerability is handled as CVE-2023-36628. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Pure Storage VASA (affected version unknown). It has been declared as very critical. Affected by this vulnerability is an unknown functionality of the file vSphere/ESXi. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A flaw exists in VASA which allows users with access to a vSphere/ESXi VMware admin on a FlashArray to gain root access through privilege escalation.

The weakness was released 10/03/2023. The advisory is shared at support.purestorage.com. This vulnerability is known as CVE-2023-36628 since 06/25/2023. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/23/2024).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Pure Storage, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
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

06/25/2023 🔍
10/03/2023 +100 days 🔍
10/03/2023 +0 days 🔍
09/23/2024 +356 days 🔍

Sourcesinfo

Advisory: support.purestorage.com
Status: Confirmed

CVE: CVE-2023-36628 (🔍)
GCVE (CVE): GCVE-0-2023-36628
GCVE (VulDB): GCVE-100-241081

Entryinfo

Created: 10/03/2023 07:42
Updated: 09/23/2024 16:54
Changes: 10/03/2023 07:42 (44), 10/23/2023 11:48 (1), 09/23/2024 16:54 (24)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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