Vulnerability Details : CVE-2021-44520
In Citrix XenMobile Server through 10.12 RP9, there is an Authenticated Command Injection vulnerability, leading to remote code execution with root privileges.
Vulnerability category: Execute code
Products affected by CVE-2021-44520
- cpe:2.3:a:citrix:xenmobile_server:10.13.0:-:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenmobile_server:10.13.0:rolling_patch_3:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenmobile_server:10.13.0:rolling_patch_4:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenmobile_server:10.13.0:rolling_patch_5:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenmobile_server:10.13.0:rolling_patch_6:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenmobile_server:10.14.0:-:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenmobile_server:10.14.0:rolling_patch_1:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenmobile_server:10.14.0:rolling_patch_2:*:*:*:*:*:*
- cpe:2.3:a:citrix:xenmobile_server:10.14.0:rolling_patch_3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-44520
0.96%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-44520
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-44520
-
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-44520
-
https://gist.github.com/tree-chtsec/766f81e22ae383987d75eedb3b23b709
gist.txt · GitHubThird Party Advisory
-
https://www.chtsecurity.com/news/09be10ae-b50e-46c9-8ce7-2e995fd988fe
CHT Security Red Team Discovered Vulnerabilities in Well-Known Endpoint Management System｜中華資安國際 CHT Security Co., Ltd.
-
https://support.citrix.com/article/CTX370551
Citrix Endpoint Management (XenMobile Server) Security Bulletin for CVE-2021-44519, CVE-2021-44520, and CVE-2022-26151Vendor Advisory
-
https://docs.citrix.com/en-us/xenmobile/server/document-history.html
Citrix XenMobile Server Document History | XenMobile Server Current ReleaseVendor Advisory
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