CVE-2021-44529

CRITICALNVD 9.89.8—Trending — 3 sources updated this weekExploited in the wild

9.8

A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 100.0%
KEV: ⚠ Exploited

Published

December 8, 2021

Last Modified

November 3, 2025

Advisory Details (2)

Auto-updated May 26, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44529

generic

Packet Storm

http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 05:17 UTCEG score recompute
2026-06-07 05:17 UTCGHSA enrichment
2026-06-07 01:01 UTCEG score recompute
2026-06-07 01:01 UTCGHSA enrichment
2026-06-06 20:45 UTCEG score recompute
2026-06-06 20:45 UTCGHSA enrichment
2026-06-06 16:29 UTCEG score recompute
2026-06-06 16:29 UTCGHSA enrichment
2026-06-06 12:13 UTCEG score recompute
2026-06-06 12:13 UTCGHSA enrichment
2026-06-06 07:57 UTCEG score recompute
2026-06-06 07:57 UTCGHSA enrichment
2026-06-06 03:41 UTCEG score recompute
2026-06-06 03:41 UTCGHSA enrichment
2026-06-05 23:24 UTCEG score recompute
2026-06-05 23:24 UTCGHSA enrichment
2026-06-05 22:43 UTCkev_newly_listed
2026-06-05 19:08 UTCEG score recompute
2026-06-05 19:08 UTCGHSA enrichment
2026-06-05 14:52 UTCEG score recompute

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-50833
First seen Mar 22, 2022
Ivanti Endpoint Manager 4.6 - Remote Code Execution (RCE)
Open source ↗
Metasploitexploit/linux/http/ivanti_csa_unauth_rce_cve_2021_44529✓ verified
First seen Dec 2, 2021
Ivanti Cloud Services Appliance (CSA) Command Injection
Open source ↗
Nucleihttp/cves/2021/CVE-2021-44529.yaml
First seen Jan 1, 2021
Ivanti EPM Cloud Services Appliance Code Injection
Open source ↗

Frequently asked(6)

What is CVE-2021-44529?

CVE-2021-44529 is a critical vulnerability published on December 8, 2021. A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).

When was CVE-2021-44529 disclosed?

CVE-2021-44529 was first published in the National Vulnerability Database on December 8, 2021, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-44529 actively exploited?

Yes. CISA added CVE-2021-44529 to the Known Exploited Vulnerabilities catalog on March 25, 2024, affecting Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA). KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2021-44529?

CVE-2021-44529 has a CVSS v3 base score of 9.8 (NVD).

Which products are affected by CVE-2021-44529?

CVE-2021-44529 affects Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA). The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2021-44529?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-44529, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-44529

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CVE-2021-44529

📅 Published

🔄 Last Modified

📋 Advisory Details (2)