CVE-2021-44529
Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.11% probability · 100th percentile
- CISA KEV
- Listed 25 March 2024 · due 15 April 2024 · used in ransomware campaigns
- Weakness
- CWE-94
- Affected
- ivanti/endpoint manager cloud services appliance
- Source
- support@hackerone.com
CISA notes
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://forums.ivanti.com/s/article/SA-2021-12-02?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2021-44529
References
- http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://forums.ivanti.com/s/article/SA-2021-12-02Mitigation, Patch, Vendor Advisory
- http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://forums.ivanti.com/s/article/SA-2021-12-02Mitigation, Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44529US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.