PT-2021-5081 · Vmware · Vsphere Web Client+1

Magiczero · Published 2021-11-23 · Updated 2021-11-30 · CVE-2021-22049

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions vSphere Web Client (FLEX/Flash) (affected versions not specified)

Description The vSphere Web Client contains an SSRF (Server Side Request Forgery) vulnerability in the vSAN Web Client plug-in. A malicious actor with network access to port 443 on vCenter Server may exploit this issue by accessing a URL request outside of vCenter Server or accessing an internal service. The vulnerability is related to insufficient validation of incoming requests, which can allow a remote attacker to gain unauthorized access to protected information by sending a specially crafted HTTP request through port 443.

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

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

BDU:2021-05862

CVE-2021-22049

Affected Products

Vmware Vcenter

Vsphere Web Client

References · 11

• https://bdu.fstec.ru/vul/2021-05862 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-22049 · Security Note
• https://osv.dev/vulnerability/CVE-2021-22049 · Vendor Advisory
• https://vmware.com/security/advisories/VMSA-2021-0027.html · Vendor Advisory
• https://t.me/sysadm_in_channel/3588 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021112316 · Note
• https://t.me/cvenotify/23971 · Telegram Post
• https://t.me/thehackernews/1679 · Telegram Post
• https://t.me/true_secator/2371 · Telegram Post
• https://t.me/isacarusec/4742 · Telegram Post
• https://t.me/cibsecurity/32967 · Telegram Post