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CVE-2021-44529

99
FAUCET Score

CVE-2021-44529 is a critical code injection vulnerability in Ivanti EPM Cloud Services Appliance (CSA) that allows unauthenticated users to execute arbitrary code with limited permissions. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. This vulnerability is actively exploited, including in known ransomware campaigns, and has readily available exploit modules in Metasploit and Nuclei. The high EPSS score, significant community discussion, and media coverage underscore its widespread recognition and the urgent need for remediation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.5CPE matchmatch criteria
cpe:2.3:a:ivanti:endpoint_manager_cloud_services_appliance:*:*:*:*:*:*:*:*
4.6CPE matchmatch criteria
cpe:2.3:a:ivanti:endpoint_manager_cloud_services_appliance:4.6:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.11%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Added to KEV · Mar 25, 2024
Metasploit: Ivanti Cloud Services Appliance (CSA) Command Injection · Dec 2, 2021
Nuclei: CVE-2021-44529 · Mar 20, 2022
ExploitDB: EDB-50833 · Mar 22, 2022
This CVE's current EPSS score of 0.9910 is in the 100th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

ivantipatch availablevia nvd_reference
View patch

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html
ExploitThird Party AdvisoryVDB Entry
forums.ivanti.com / s/article/SA-2021-12-02
MitigationPatchVendor Advisory