Security readout for executives and security teams
Plain-English summary
CVE-2022-47769 is a critical upload flaw in Serenissima Informatica Fast Checkin v1.0. An unauthenticated attacker could place malicious files in the application web root, potentially gaining server access through a web shell. Organizations using this product should treat internet exposure as urgent.
Executive priority
Prioritize this as critical for any confirmed Fast Checkin v1.0 deployment, especially if exposed to the internet. The issue can plausibly lead to full server compromise, but current provided evidence does not prove active exploitation.
Technical view
The vulnerability is classified as CWE-434 and described as arbitrary file write through malicious file upload to the web root. The CVSS 3.1 score is 9.8 with network access, low complexity, no privileges, and no user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure appears limited to deployments of Serenissima Informatica Fast Checkin v1.0. The CVE record does not provide normalized vendor, product, version, or CPE data, so asset discovery may require software inventory, web application review, and vendor confirmation.
Exploitation context
The provided sources describe a path to server access via web shell upload, but do not cite active exploitation. The source bundle marks CISA KEV as false, so active exploitation should not be assumed from this evidence alone.
Researcher notes
Evidence is thin but high impact: one public advisory reference, CVE metadata, CVSS 9.8, CWE-434, and no normalized CPEs. Avoid broad product assumptions beyond Fast Checkin v1.0. Validate real exposure before reporting organizational risk.
Mitigation direction
- Check Serenissima Informatica or Swascan guidance for fixed versions or vendor mitigations.
- Remove or isolate Fast Checkin v1.0 from public internet exposure until guidance is confirmed.
- Restrict upload functionality to authenticated, trusted users and networks where operationally possible.
- Inspect and remove unexpected files from the application web root.
- Monitor for suspicious uploaded files and unexpected server-side script execution.
Validation and detection
- Inventory systems for Serenissima Informatica Fast Checkin v1.0 deployments.
- Confirm whether any deployment is internet accessible or reachable by untrusted users.
- Review application web roots for unexpected uploaded scripts or newly created files.
- Review web and application logs for unauthenticated upload activity.
- Confirm vendor guidance, patch status, and compensating controls for each deployment.
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 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-2022-47769 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/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://www.swascan.com/it/security-advisory-serenissima-informatica-fastcheckin/CVE 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.