Security readout for executives and security teams
Plain-English summary
CVE-2022-40341 is a high-severity file upload flaw reported in mojoPortal v2.7. A low-privileged attacker could upload a crafted PNG that may lead to arbitrary code execution, creating a path to full compromise of the affected application environment.
Executive priority
Prioritize remediation where mojoPortal v2.7 is internet-facing or used by many low-privileged users. Code execution impact makes this materially more urgent than a simple content upload bug, but current sources do not prove active exploitation.
Technical view
The CVE describes CWE-434 unrestricted upload of a dangerous file in mojoPortal v2.7. CVSS 3.1 is 8.8: network-reachable, low complexity, low privileges required, no user interaction, with high confidentiality, integrity, and availability impact. The source bundle does not identify a fixed version.
Likely exposure
Exposure is most relevant where mojoPortal v2.7 is deployed and file upload functionality is reachable by low-privileged authenticated users. The CVE metadata lists affected vendor/product as n/a, so asset confirmation must rely on application inventory and version checks.
Exploitation context
The CVE and reference describe arbitrary code execution through a crafted PNG upload. CISA KEV is false in the bundle, and no cited source confirms active exploitation. Public exploitability details appear limited to the referenced write-up.
Researcher notes
Evidence is narrow: the CVE description, CVSS vector, CWE-434 classification, and one public reference. The affected-product fields are incomplete, and no patch, commit, advisory, or exploitation-in-the-wild confirmation is included in the provided bundle.
Mitigation direction
- Inventory systems for mojoPortal v2.7 deployments.
- Check official vendor or project guidance for fixed releases or mitigations.
- Restrict upload access to trusted roles until remediation is confirmed.
- Apply strict server-side file validation and execution blocking for uploads.
- Review web server settings to prevent uploaded files from executing.
Validation and detection
- Confirm application name and exact mojoPortal version in asset records.
- Identify upload endpoints reachable by authenticated low-privileged users.
- Review upload handling controls without attempting exploitation.
- Check logs for unusual uploads or unexpected executable files.
- Verify vendor guidance before declaring remediation complete.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
CWE-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution 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.
Open ATT&CK lookupFile access behavior lookup
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.
Open ATT&CK lookupCVE-2022-40341 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://weed-1.gitbook.io/cve/mojoportal/upload-malicious-file-in-mojoportal-v2.7-cve-2022-40341CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.