CVE-2021-22894
Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability
Published May 27, 2021 · updated Jun 16, 2026 · ivanti connect secure
Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.
Timeline
Detection, updates, and resolution for this record.
May 27, 2021 · Catalog
Detected
Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.
Nov 3, 2021 · CISA KEV
Known exploited
Apply updates per vendor instructions.
May 3, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.
Required action
Apply updates per vendor instructions.
CISA due date May 3, 2022
Affected
- cpe ivanti/connect secure9.0
- vendor Ivanti Pulse Connect Secureversion unspecified
Sources
- CISA KEVCVE-2021-22894
Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.
cisa.gov - CVE.orgCVE-2021-22894
Official CVE identifier
cve.org - FIRST EPSSCVE-2021-22894
30-day exploitation probability 41.3%
first.org - NIST NVDCVE-2021-22894
A buffer overflow vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to execute arbitrary code as the root user via maliciously crafted meeting room.
nvd.nist.gov