Security readout for executives and security teams
Plain-English summary
ScrutisWeb 2.1.37 and earlier has a critical flaw that may let anyone upload and run a malicious file. If exposed, this can become full server compromise without credentials or user interaction.
Executive priority
Treat this as urgent for any exposed ScrutisWeb deployment. The issue is unauthenticated remote code execution with maximum CVSS impact, though no active exploitation is cited in the provided sources.
Technical view
CVE-2023-35189 is CWE-434, unrestricted upload of a dangerous file type, in Iagona ScrutisWeb. The CVSS 10.0 vector indicates network access, low complexity, no privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Organizations running Iagona ScrutisWeb versions 2.1.37 or prior are potentially exposed, especially where the service is reachable from untrusted networks. The bundle provides no CPEs or deployment prevalence.
Exploitation context
The provided sources describe unauthenticated remote code execution through malicious upload and execution. CISA KEV status is false, and the bundle provides no evidence of active exploitation.
Researcher notes
Evidence is limited to the CVE record and CISA advisory reference. The affected data in the bundle is sparse, with no CPEs and ambiguous version metadata, so confirm exact product builds against vendor or CISA guidance.
Mitigation direction
- Check CISA and vendor guidance for the supported fix or workaround.
- Prioritize remediation for any internet-exposed ScrutisWeb instance.
- Restrict ScrutisWeb access to trusted networks until remediated.
- Review upload handling controls and server-side executable file restrictions.
- Monitor for unexpected files in upload paths and web roots.
Validation and detection
- Inventory all Iagona ScrutisWeb deployments and record versions.
- Flag versions 2.1.37 and prior as potentially affected.
- Confirm whether ScrutisWeb is reachable from the internet or partner networks.
- Review access and application logs for suspicious upload activity.
- Verify vendor remediation or compensating controls are applied.
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-2023-35189 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
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-199-03CVE reference
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.