Security readout for executives and security teams
CVE-2021-44529 lets an unauthenticated attacker run code on Ivanti EPM Cloud Services Appliance. The code runs with limited “nobody” permissions, but the flaw is still critical because no login or user action is required. CISA KEV listing means exploitation has been observed. Exposure is most likely where Ivanti EPM CSA is deployed and reachable by untrusted networks. The bundle names version 4.6.0-512; Packet Storm references also discuss CSA 4.5 and 4.6, but exact affected ranges should be confirmed with Ivanti guidance. Treat this as urgent for any organization running Ivanti EPM CSA. Confirm exposure immediately, apply vendor guidance, and reduce network reachability. KEV status means this is not a theoretical risk. Mitigation focus: Identify all Ivanti EPM CSA instances and versions.; Prioritize systems exposed to the internet or partner networks.; Review Ivanti advisory SA-2021-12-02 for vendor-supported fixes..
Michael Williams reviewed this cited source version on .
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-94: Code execution behavior lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-44529 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://forums.ivanti.com/s/article/SA-2021-12-02CVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44529CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.