CVE-2021-44529 Exploited in the Wild — Ivanti EPM

Vendor	Product	Version	Status
ivanti	endpoint_manager_cloud_services_appliance	0 to <= 4.6_patch_512	Affected
n/a	Ivanti EPM	4.6.0-512	Affected

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.

Source	Added
CISA First	2024-03-25 00:00 UTC

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/ivanti_csa_unauth_rce_cve_2021_44529.rb	Apr 28, 2025
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-44529.yaml	Apr 25, 2025

Virtual Patch

Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.

Not available

KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.

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CVSS Scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitation Status

Exploited in the wild

Recorded 2024-03-25 00:00:00 UTC · CISA

Used in malware

Recorded 2026-06-02 14:08:23 UTC · CISA

Proof of concept available

Recorded 2022-03-24 03:58:16 UTC · GitHub

Weaknesses (CWE)

CWE-94

Improper Control of Generation of Code ('Code Injection')

Scanner Integrations

Nuclei, Metasploit, and other scanner references for this CVE are listed on the Detection tab.

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

jax7sec/CVE-2021-44529

github · Created 2022-04-16 15:19:39 UTC · 3 stars

CVE-2021-44529 Ivanti EPM 云服务设备 (CSA) 中的代码注入漏洞允许未经身份验证的用户以有限的权限（nobody）执行任意代码。

jkana/CVE-2021-44529

github · Created 2022-03-24 03:58:16 UTC · 5 stars

CVE-2021-44529 PoC

Ivanti EPM Cloud Services Appliance Code Injection

nuclei · Created Unknown

ivanti_csa_unauth_rce_cve_2021_44529

metasploit · Created Unknown

Metasploit module for CVE-2021-44529

Timeline

Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.

2 Jun 2026 14:08 UTC about 2 months ago

2 Jun 2026 14:08 UTC · about 2 months ago

First public exploitation report

Exploit observed in malware
28 Apr 2025 15:02 UTC over 1 year ago

28 Apr 2025 15:02 UTC · over 1 year ago

Metasploit module available

Exploit module available
25 Apr 2025 00:00 UTC over 1 year ago

25 Apr 2025 00:00 UTC · over 1 year ago

Nuclei template available

Scanner coverage available
25 Mar 2024 00:00 UTC over 2 years ago

25 Mar 2024 00:00 UTC · over 2 years ago

Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
24 Mar 2022 03:58 UTC over 4 years ago

24 Mar 2022 03:58 UTC · over 4 years ago

Public PoC available

Public proof-of-concept code published
8 Dec 2021 00:00 UTC over 4 years ago

8 Dec 2021 00:00 UTC · over 4 years ago

CVE published

Vulnerability disclosed publicly
2 Dec 2021 00:00 UTC over 4 years ago

2 Dec 2021 00:00 UTC · over 4 years ago

CVE ID reserved

Identifier reserved by the CNA

Automate This Intelligence with the Pro API

Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Pro API Example

GET /api/v2/pro/kevs/CVE-2021-44529

{
  "cve_id": "CVE-2021-44529",
  "title": "A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CS...",
  "affected_vendor": "Ivanti",
  "affected_product": "Ivanti EPM",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "epss_score": 0.99105,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2021-44529

At a Glance

Affected Versions

CVE References