CVE-2021-44529A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code…
- 9.8CriticalCVSS base score
- 99.1%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 25 Mar 2024
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
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).
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability.
- Added
- 25 Mar 2024
- Fix due (US federal)
- 15 Apr 2024
- Used by ransomware
- Known
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 25 Mar 2024.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and an Exploit-DB entry for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Metasploit modules1 module
- Ivanti Cloud Services Appliance (CSA) Command Injection (Metasploit module) (opens in a new tab)
exploit/linux/http/ivanti_csa_unauth_rce_cve_2021_44529Rank excellentdisclosed 2 Dec 2021
Nuclei templates1 template
- Ivanti EPM Cloud Services Appliance Code Injection (Nuclei template) (opens in a new tab)
http/cves/2021/CVE-2021-44529.yamlSeverity critical
Exploit-DB1 entry
- Ivanti Endpoint Manager 4.6 - Remote Code Execution (RCE) (Exploit-DB entry) (opens in a new tab)
EDB-ID 50833remote, multiplepublished 22 Mar 2022Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By hackerone
- 6 days later
· 6 days later
Published
- 2 years later
· 2 years later
Added to CISA KEV
Known exploited, also by ransomware
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 99.1% · top 0.1% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
Ivanti EPM
- affected 4.6.0-512
References
References4
- https://forums.ivanti.com/s/article/SA-2021-12-02 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/166383/Ivanti-Endpoint-Manager-CSA-4.5-4.6-Remote-Code-Execution.html (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/170590/Ivanti-Cloud-Services-Appliance-CSA-Command-Injection.html (opens in a new tab)x_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44529 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-31360 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-44529)Record last updated .