CVE-2021-44529
Confirmed PUBLISHEDA code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).
- CVE Published
- Dec 08, 2021
- Exploitation Reported
- Mar 25, 2024
- CVSS
- 9.8 Critical
- EPSS
- —
Affected Versions
| 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 |
CVE References
- forums.ivanti.com/s/article/SA-2021-12-02 forums.ivanti.com · CVE Record https://forums.ivanti.com/s/article/SA-2021-12-02
- packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-C...
- packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-App...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
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.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2024-03-25 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-44529.yaml | Apr 25, 2025 |
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/ivanti_csa_unauth_rce_cve_2021_44529.rb | Apr 28, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
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.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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)
-
Improper Control of Generation of Code ('Code Injection')
Scanner Integrations
| 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 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
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。
nuclei · Created Unknown
metasploit · Created Unknown
Metasploit module for CVE-2021-44529
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
14:08 UTC about 2 months ago14:08 UTC · about 2 months ago
First public exploitation report
Exploit observed in malware
-
15:02 UTC about 1 year ago15:02 UTC · about 1 year ago
Metasploit module available
Exploit module available
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
00:00 UTC over 2 years ago00:00 UTC · over 2 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
03:58 UTC over 4 years ago03:58 UTC · over 4 years ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 4 years ago00:00 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.
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": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}