AEGLIX vulnerability intelligence
CVE-2021-22894
HIGH · CVSS 8.8 · Analyzed
Published: 2021-05-27 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 8.8 · HIGH
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-119, CWE-94
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Ivanti · Pulse Connect Secure
- Added to catalog
- 2021-11-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2022-05-03
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:ivanti:connect_secure:9.0:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r1.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r2.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r2.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r3.5:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r4.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r4.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r5.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.0:r6.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11.0:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r9.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r9.2:*:*:*:*:*:*
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and references
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY
Broken Link · Vendor Advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY
Broken Link · Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22894
US Government Resource