CVE-2022-24252: An unrestricted file upload vulnerability in the FileTransferServlet component of Extensis Portfolio v4.0 a...
An unrestricted file upload vulnerability in the FileTransferServlet component of Extensis Portfolio v4.0 allows remote attackers to execute arbitrary code via a crafted file.
Security readout for executives and security teams
Plain-English summary
CVE-2022-24252 is a remote code execution risk in Extensis Portfolio v4.0. The reported issue is unrestricted file upload in FileTransferServlet, where a crafted uploaded file can lead to arbitrary code execution. That can turn a content-management asset server into an entry point for compromise.
Executive priority
Treat this as a priority remediation item for any internet-reachable Portfolio v4.0 system. The business risk is potential server takeover, but urgency should be calibrated against actual exposure and vendor guidance.
Technical view
The source bundle describes unrestricted file upload in Extensis Portfolio v4.0 FileTransferServlet, enabling remote attackers to execute arbitrary code via a crafted file. No CVSS, CWE, authentication requirement, affected-version range, or vendor fix detail is provided in the bundle.
Likely exposure
Exposure is most likely where Extensis Portfolio v4.0 is deployed and FileTransferServlet is reachable from untrusted networks. The bundle does not establish whether other versions are affected.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. Public disclosure exists, but exploit-in-the-wild status is not evidenced here.
Researcher notes
Evidence is sparse: the bundle provides the core vulnerable component and impact but not CVSS, CWE, authentication context, patch status, or affected-version range. Avoid broad claims beyond Extensis Portfolio v4.0 unless vendor sources confirm them.
Mitigation direction
Identify all Extensis Portfolio deployments and confirm whether version 4.0 is present.
Check Extensis vendor guidance for patched versions, upgrade paths, or official mitigations.
Restrict external access to FileTransferServlet while exposure is assessed.
Disable vulnerable upload functionality if business requirements and vendor guidance allow.
Review application and host logs for suspicious uploads or unexpected execution.
Validation and detection
Confirm whether FileTransferServlet is present and reachable in each Portfolio deployment.
Verify the installed Portfolio version against asset inventory and change records.
Check whether vendor patches or supported upgrades have been applied.
Review upload directories for unexpected executable or server-interpreted files.
Correlate web logs with host process activity around upload requests.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
description · low confidence lookup
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
0CVSS vectors
3Timeline events
1ADP providers
2Source links
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
CVE publishedCVE Program
The CVE record was published.
Mar 1, 2022, 23:00 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.