CVE-2021-44529 (GCVE-0-2021-44529)
Vulnerability from cvelistv5 – Published: 2021-12-08 00:00 – Updated: 2026-08-04 03:55Summary
A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).
Severity
9.8 (Critical)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2022-03-31 00:00 UTC
CWE
- CWE-94 - Code Injection (CWE-94)
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Ivanti EPM |
Affected:
4.6.0-512
|
|
| ivanti | endpoint_manager_cloud_services_appliance |
Affected:
0 , ≤ 4.6_patch_512
(custom)
cpe:2.3:a:ivanti:endpoint_manager_cloud_services_appliance:4.6:patch_512:*:*:*:*:*:* |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: f6a12d84-db62-478d-91b7-692a80e13b59
Exploited: Yes
Timestamps
First Seen: 2024-03-25
Asserted: 2024-03-25
Scope
Notes: Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability | Affected: Ivanti / Endpoint Manager Cloud Service Appliance (EPM CSA) | 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). | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-04-15 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://forums.ivanti.com/s/article/SA-2021-12-02?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2021-44529
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-94 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Endpoint Manager Cloud Service Appliance (EPM CSA) |
| Due Date | 2024-04-15 |
| Date Added | 2024-03-25 |
| Vendorproject | Ivanti |
| Vulnerabilityname | Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability |
| Knownransomwarecampaignuse | Known |
References
Created: 2026-10-02 08:09 CEST
| Updated: 2026-10-02 08:09 CEST
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 0ddc382e-eb47-4b6e-86f9-814041619f63
Exploited: Yes
Timestamps
First Seen: 2024-03-25
Asserted: 2024-03-25
Scope
Notes: A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with... | Affected: Ivanti / Ivanti EPM | CVSS: 9.8 (CRITICAL) | EPSS: 0.99105 | Used in malware: yes | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Confirmed Compromise
Confidence: 70%
Source: previdian
Details
| Feed | Previdian (previdian.com) |
|---|---|
| Title | A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with... |
| Cve Id | CVE-2021-44529 |
| Vendor | Ivanti |
| Ghsa Id | None |
| Product | Ivanti EPM |
| Added Date | 2024-03-25T00:00:00.000Z |
| Cvss Score | 9.8 |
| Epss Score | 0.99105 |
| Previous Ids | |
| Cvss Severity | CRITICAL |
| Virtual Patch | False |
| Cvss Estimated | False |
| Epss Percentile | 0.99932 |
| Used In Malware | yes |
| Vulnerability Id | CVE-2021-44529 |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-10-02 09:11 CEST
| Updated: 2026-10-02 09:11 CEST
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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