Security readout for executives and security teams
Plain-English summary
This flaw lets a logged-in user abuse the profile upload feature in Exam Reviewer Management System 1.0 to place a PHP web shell and gain remote code execution. If the application is internet-facing or widely accessible internally, compromise could expose data, alter content, or disrupt service.
Executive priority
Treat this as a high-priority exposure if the application is deployed, especially if reachable from the internet. Prioritize inventory, access restriction, and vendor guidance because confirmed patch details are not included in the sources.
Technical view
CVE-2022-40878 is a CWE-434 unrestricted file upload issue. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, scoring 8.8. Sources describe authenticated upload of a PHP web shell through the profile page, leading to RCE.
Likely exposure
Exposure is likely limited to organizations running Exam Reviewer Management System 1.0 with authenticated access to the profile upload page. The source bundle lists vendor, CPE, and formal affected product fields as unavailable.
Exploitation context
A public Exploit-DB reference exists, so exploit information is public. The bundle does not show CISA KEV inclusion or other evidence of active exploitation. The attack requires authentication but no user interaction after login.
Researcher notes
Evidence is concise and centered on one public reference. Product metadata is incomplete, with vendor, CPE, and patch status listed as unavailable. Avoid assuming broader affected versions or fixed releases without additional vendor evidence.
Mitigation direction
- Check vendor or project guidance for a confirmed patch or replacement.
- Restrict application access to trusted users and networks.
- Disable profile uploads if they are not operationally required.
- Block PHP execution in upload and profile media directories.
- Enforce server-side file type, extension, and content validation.
- Review least-privilege permissions for the web server account.
Validation and detection
- Inventory systems for Exam Reviewer Management System 1.0 deployments.
- Confirm whether the profile upload page is reachable by authenticated users.
- Check that upload directories cannot execute PHP files.
- Review logs for suspicious profile updates or PHP uploads.
- Inspect upload/profile storage for unexpected executable files.
- Verify compensating controls are documented and tested.
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 lookupCVE-2022-40878 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.
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:H2.85.9Primary CVE scoreVulnerability 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
Source materials
- CVE List V5 sourceCVE List V5
- https://www.exploit-db.com/exploits/50726CVE reference · x_refsource_MISC
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.