THREATPORT/VULNERABILITY/CVE-2021-44520
HIGH SEVERITY

CVE-2021-44520

Xenmobile Server vulnerability

CVSS
8.8
EPSS
5.8%
EPSS pct
92th
Exploited
No known
In Citrix XenMobile Server through 10.12 RP9, there is an Authenticated Command Injection vulnerability, leading to remote code execution with root privileges.
Affected vendor
Citrix
Affected product
Xenmobile Server
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2022-04-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2021-44520

  • Confirm whether Citrix Xenmobile Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-44520.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-44520

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-44520 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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