Critical severity · published Aug 11, 2022
CVE-2022-28750
Zoom On-Premise Deployments: Stack Buffer Overflow in Meeting Connector
9.8
CVSS
2.2%
EPSS
No
On KEV
Description
Zoom On-Premise Meeting Connector Zone Controller (ZC) before version 4.8.20220419.112 fails to properly parse STUN error codes, which can result in memory corruption and could allow a malicious actor to crash the application. In versions older than 4.8.12.20211115, this vulnerability could also be leveraged to execute arbitrary code.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZO
Zoom On-Premise Meeting Connector Zone Controller (ZC) · Zoom Video Communications Inc
before 4.8.20220419.112 · source: vendor
MC
Meeting Connector · Zoom
before 4.8.20220419.112 · source: NVD
Affected product
ZO
Zoom On-Premise Meeting Connector Zone Controller (ZC)
Zoom Video Communications Inc