← Vulnerability feed

Vulnerability record · CVE-2021-44520 · published 13 April 2022

CVE-2021-44520: Citrix xenmobile server command injection vulnerability

Citrix · Xenmobile Server

In Citrix XenMobile Server through 10.12 RP9, there is an Authenticated Command Injection vulnerability, leading to remote code execution with root privileges.

8.8 CVSS 3.1 High EPSS 5.7% · top 7.2% CWE-77 · Command injection
8.8CVSS 3.1 base score, v2 9.0
5.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

In Citrix XenMobile Server through 10.12 RP9, there is an Authenticated Command Injection vulnerability, leading to remote code execution with root privileges.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.citrix.com/en-us/xenmobile/server/document-history.html Vendor Advisory
https://gist.github.com/tree-chtsec/766f81e22ae383987d75eedb3b23b709 Third Party Advisory
https://support.citrix.com/article/CTX370551 Vendor Advisory
https://www.chtsecurity.com/news/09be10ae-b50e-46c9-8ce7-2e995fd988fe
https://docs.citrix.com/en-us/xenmobile/server/document-history.html Vendor Advisory
https://gist.github.com/tree-chtsec/766f81e22ae383987d75eedb3b23b709 Third Party Advisory
https://support.citrix.com/article/CTX370551 Vendor Advisory
https://www.chtsecurity.com/news/09be10ae-b50e-46c9-8ce7-2e995fd988fe

Track CVE-2021-44520 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-8211Citrix xenmobile server command injection vulnerabilityImproper input validation in Citrix XenMobile Server 10.12 before RP3, Citrix XenMobile Server 10.11 before RP6, Citrix XenMobile Server 10.10 RP6 an…EPSS 1.5%9.8CVE-2020-8212Citrix xenmobile server incorrect authorization vulnerabilityImproper access control in Citrix XenMobile Server 10.12 before RP3, Citrix XenMobile Server 10.11 before RP6, Citrix XenMobile Server 10.10 RP6 and …EPSS 1.6%9.8CVE-2018-10653Citrix xenmobile server xml external entity (xxe) vulnerabilityThere is an XML External Entity (XXE) Processing Vulnerability in Citrix XenMobile Server 10.8 before RP2 and 10.7 before RP3.EPSS 6.8%9.8CVE-2018-10648Citrix xenmobile server unrestricted file upload vulnerabilityThere are Unauthenticated File Upload Vulnerabilities in Citrix XenMobile Server 10.8 before RP2 and 10.7 before RP3.EPSS 1.2%9.1CVE-2018-18571Citrix xenmobile server improper authentication vulnerabilityAn Incorrect Access Control vulnerability has been identified in Citrix XenMobile Server 10.8.0 before Rolling Patch 6 and 10.9.0 before Rolling Patc…EPSS 2.6%8.8CVE-2021-44519Citrix xenmobile server path traversal vulnerabilityIn Citrix XenMobile Server through 10.12 RP9, there is an Authenticated Directory Traversal vulnerability, leading to remote code execution.EPSS 2.8%8.1CVE-2018-10654Citrix xenmobile server deserialization of untrusted data vulnerabilityThere is a Hazelcast Library Java Deserialization Vulnerability in Citrix XenMobile Server 10.8 before RP2 and 10.7 before RP3.EPSS 1.2%7.8CVE-2018-18013Citrix xenmobile server deserialization of untrusted data vulnerability* Xen Mobile through 10.8.0 includes a service listening on port 5001 within its firewall that accepts unauthenticated input. If this service is supp…EPSS 2.9%

Source: NIST National Vulnerability Database (record CVE-2021-44520), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.