CVE-2021-44529
Act now ● On CISA KEV — actively exploited used in ransomware
Actively exploited — on the CISA KEV list.
CVSS base
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
99.1%
99.9th percentile
CISA KEV
Listed
Added 2024-03-25 · patch by 2024-04-15
Weakness / dates
CWE-94
Published 2021-12-08 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2021-12-08 — Published (NVD)
- 2024-03-25 — Added to CISA KEV (actively exploited)
- 2024-04-15 — CISA patch-by deadline
- 2026-08-04 — Last modified (NVD)
Description
A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).
Affected
References
- exploit http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html
- exploit http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html
- https://forums.ivanti.com/s/article/SA-2021-12-02
- exploit http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html
- exploit http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html
- https://forums.ivanti.com/s/article/SA-2021-12-02
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44529