CVE-2021-44529
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) contains a code injection vulnerability that allows an unauthenticated user to execute…
Browse: All 2021 CVEs · All vendors
- CVSS score
- 9.8 Critical
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2024-03-25, remediation due 2024-04-15)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-94
- Published
- 2021-12-08
- Last modified
- 2026-08-04
- NVD status
- Analyzed
Description
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) contains a code injection vulnerability that allows an unauthenticated user to execute malicious code with limited permissions (nobody).
Affected products
- ivanti endpoint manager cloud services appliance
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2024-04-15.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score.
References
- http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html
- 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
FAQ
Is CVE-2021-44529 actively exploited?
Yes. CISA added CVE-2021-44529 to its Known Exploited Vulnerabilities (KEV) catalog on 2024-03-25, with a federal remediation deadline of 2024-04-15. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2021-44529?
CVE-2021-44529 has a CVSS base score of 9.8 (Critical). Its vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2026-10520 — Ivanti Sentry
- CVE-2026-6973 — Ivanti Endpoint Manager Mobile (EPMM)
- CVE-2026-1340 — Ivanti Endpoint Manager Mobile (EPMM)
- CVE-2026-1603 — Ivanti Endpoint Manager (EPM)
- CVE-2026-1281 — Ivanti Endpoint Manager Mobile (EPMM)
- CVE-2025-4428 — Ivanti Endpoint Manager Mobile (EPMM)
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
weekly kev brief
Patch what's actually being exploited.
One email a week: the KEV additions that matter, prioritized — no noise.
Free. No spam. Unsubscribe anytime. Delivered by Beehiiv.