CVE-2021-22894
Summary
| CVE | CVE-2021-22894 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-05-27 12:15:00 UTC |
| Updated | 2024-01-13 18:36:00 UTC |
| Description | 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. |
Risk And Classification
EPSS: 0.247590000 probability, percentile 0.961100000 (date 2026-04-01)
CISA KEV: Listed on 2021-11-03; due 2022-05-03; ransomware use Unknown
Problem Types: CWE-119
CISA Known Exploited Vulnerability
| Vendor | Ivanti |
|---|---|
| Product | Pulse Connect Secure |
| Name | Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability |
| Required Action | Apply updates per vendor instructions. |
| Notes | Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2021-22894 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Ivanti | Connect Secure | 9.0 | - | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r1 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r2 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r2.1 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r3 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r3.1 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r3.2 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r3.3 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r3.5 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r4 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r4.1 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r5.0 | All | All |
| Application | Ivanti | Connect Secure | 9.0 | r6.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | - | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r1.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r2 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r2.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r2.1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r3 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r3.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r3.1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r3.2 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r3.3 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r3.5 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r4 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r4.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r4.1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r5.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.0 | r6.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | - | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r10.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r10.2 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r11.0 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r11.1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r11.3 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r2 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r3 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r4 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r4.1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r4.2 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r4.3 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r5 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r6 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r7 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r8 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r8.1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r8.2 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r8.4 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r9 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r9.1 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | 9.1 | r9.2 | All | All |
| Application | Pulsesecure | Pulse Connect Secure | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Public KB - SA44784 - 2021-04: Out-of-Cycle Advisory: Pulse Connect Secure RCE Vulnerability (CVE-2021-22893) | MISC | kb.pulsesecure.net | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 38838 Pulse Connect Secure Remote Code Execution Vulnerability (SA44784)