CVE-2021-22908: A buffer overflow vulnerability exists in Windows File Resource Profiles in 9.X allows a remote authenticated user with privileges to browse SMB shares to…

PriorityP268high8.8CVSS 3.1

AVNACLPRLUINSUCHIHAH

EPSS

69.38%

99.3th percentile

A buffer overflow vulnerability exists in Windows File Resource Profiles in 9.X allows a remote authenticated user with privileges to browse SMB shares to execute arbitrary code as the root user. As of version 9.1R3, this permission is not enabled by default.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
ivanti	connect_secure	—	—
ivanti	connect_secure	—	—
pulsesecure	pulse_connect_secure	—	—
pulsesecure	pulse_connect_secure	—	—

Detection & IOCsextracted from sources · hover to see the quote

→Vulnerability is exploitable only by remote authenticated users who have been granted privileges to browse SMB shares via Windows File Resource Profiles in Ivanti 9.X — monitor for exploitation attempts from authenticated sessions with this specific permission enabled ↗
→Trigger condition is tied to the 'browse SMB shares' permission within Windows File Resource Profiles — audit and alert on any accounts granted this permission on affected 9.X versions ↗

·The 'browse SMB shares' permission is NOT enabled by default as of version 9.1R3 — exploitation requires this permission to have been explicitly granted; verify whether it is enabled in your deployment ↗

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvdv2.09.0CRITICALAV:N/AC:L/Au:S/C:C/I:C/A:C

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