CVE-2021-21993

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

The vCenter Server contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in vCenter Server Content Library. An authorised user with access to content library may exploit this issue by sending a POST request to vCenter Server leading to information disclosure.

References

https://www.vmware.com/security/advisories/VMSA-2021-0020.html

Details

Source: MITRE

Published: 2021-09-23

Updated: 2021-09-27

Type: CWE-918

Risk Information

CVSS v2

Base Score: 4

Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
153547VMware vCenter Server < 6.5 U3q Multiple Vulnerabilities (VMSA-2021-0020)NessusMisc.
high
153545VMware vCenter Server < 7.0 U2c Multiple Vulnerabilities (VMSA-2021-0020)NessusMisc.
high
153544VMware vCenter Server < 6.7 Multiple Vulnerabilities (VMSA-2021-0020)NessusMisc.
high