CVE-2021-44529
Ivanti — Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability
Ivanti · CWE-94 — Code injection · in CISA KEV since 2024-03-25
EVRS 93 of 100 Immediate
Out-of-Band / Urgent Remediation
Rank 76 of 2,954 tracked
Why it scores 93
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and associated with known ransomware campaigns.
- CISA KEVApplied
- RansomwareApplied
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
endpoint manager cloud services appliance: update to a version newer than 4.5
Affected versions
- endpoint manager cloud services appliance
<= 4.54.6
Remediation
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 9.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.991 (99.93rd pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Known | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2024-04-15 · KEV since 2024 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | Public module exists | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by hackerone. | Listed | ENISA EUVD |
Description
NVDA code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).
What CISA says to do
Public module
Metasploit lists a public excellent-rank module for this CVE: Ivanti Cloud Services Appliance (CSA) Command Injection (linux/http/ivanti_csa_unauth_rce_cve_2021_44529). A module existing is not the same as active exploitation; see metasploit.com.