VMware vCenter Server/Cloud Foundation IWA access control

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.
6.7$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in VMware vCenter Server and Cloud Foundation. This vulnerability affects unknown code of the component IWA. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2021-22048. The attacker needs to be present on the local network. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in VMware vCenter Server and Cloud Foundation (Server Management Software) (version unknown). This vulnerability affects an unknown function of the component IWA. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 11/10/2021 as VMSA-2021-0025/KB86292. The advisory is shared for download at vmware.com. This vulnerability was named CVE-2021-22048 since 01/04/2021. 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 10/31/2025). The MITRE ATT&CK project declares the attack technique as T1068.

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

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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 🔍
11/10/2021 +310 days 🔍
11/10/2021 +0 days 🔍
10/31/2025 +1451 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2021-0025/KB86292
Status: Confirmed

CVE: CVE-2021-22048 (🔍)
GCVE (CVE): GCVE-0-2021-22048
GCVE (VulDB): GCVE-100-186508
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 11/10/2021 20:36
Updated: 10/31/2025 13:04
Changes: 11/10/2021 20:36 (38), 11/12/2021 15:16 (1), 10/31/2025 13:04 (33)
Complete: 🔍
Cache ID: 216::103

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