PT-2021-7014 · Citrix · Citrix Xenmobile Server

Tsungshu Chiu · Published 2021-12-01 · Updated 2022-07-12 · CVE-2021-44520

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Citrix XenMobile Server versions through 10.12 RP9

Description The issue is related to insufficient access control in the Citrix XenMobile Server, which can be exploited to execute arbitrary code with root privileges. This can be done remotely. The vulnerability is described as an Authenticated Command Injection, leading to remote code execution with root privileges.

Recommendations For versions through 10.12 RP9, update to a version that includes the fix for this issue to prevent remote code execution with root privileges. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Access Control

Command Injection

OS Command Injection

Weakness Enumeration

CWE-284

CWE-77

CWE-78

Related Identifiers

BDU:2022-02969

CVE-2021-44520

Affected Products

Citrix Xenmobile Server

References · 10

• https://docs.citrix.com/en-us/xenmobile/server/document-history.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02969 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-44520 · Security Note
• https://support.citrix.com/article/CTX370551 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-44520 · Vendor Advisory
• https://chtsecurity.com/news/09be10ae-b50e-46c9-8ce7-2e995fd988fe · Note
• https://gist.github.com/tree-chtsec/766f81e22ae383987d75eedb3b23b709 · Note
• https://t.me/cvenotify/28807 · Telegram Post
• https://vuldb.com/?id.197146 · Note
• https://t.me/cvenotify/29223 · Telegram Post