PT-2021-4350 · Vmware · Vcenter Server+1

Osama Alaa · Published 2021-09-21 · Updated 2022-07-12 · CVE-2021-21992

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions vCenter Server (affected versions not specified)

Description The vCenter Server contains a denial-of-service issue due to improper XML entity parsing. A malicious actor with non-administrative user access to the vCenter Server vSphere Client (HTML5) or vCenter Server vSphere Web Client (FLEX/Flash) may exploit this issue to create a denial-of-service condition on the vCenter Server host.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BDU:2021-04979

CVE-2021-21992

Affected Products

Vmware Vcenter

Vcenter Server

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2021-21992 · Security Note
• https://bdu.fstec.ru/vul/2021-04979 · Security Note
• https://vmware.com/security/advisories/VMSA-2021-0020.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21992 · Vendor Advisory
• https://t.me/cvenotify/21937 · Telegram Post
• https://t.me/cibsecurity/29245 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021092118 · Note
• https://dell.com/support/kbdoc/ru-ru/printview/000191991/10/en · Note