Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2023-7305

SmartBI RMIServlet Unrestricted File Upload RCE

Guangzhou Smart Software Co. / SmartBI · affected before July 2023 update

Severity
CVSS 9.2 · Critical
Confidence
High
Exploit status
Exploited in the wild
EPSS
0.5%
First observed
Last observed

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-7305 is an unauthenticated SmartBI RMIServlet Unrestricted File Upload RCE. SmartBI V8, V9, and V10 contain an unrestricted file upload vulnerability via the RMIServlet request handling logic. Under certain...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

Guangzhou Smart Software Co., Ltd. / SmartBI affected before july 2023 update.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

SmartBI V8, V9, and V10 contain an unrestricted file upload vulnerability via the RMIServlet request handling logic

SmartBI V8, V9, and V10 contain an unrestricted file upload vulnerability via the RMIServlet request handling logic. Under certain configurations or usage patterns, attackers can send specially crafted requests that cause the application to perform sensitive operations or execute arbitrary code on the host.

The vendor released a fix in July 2023 to address the underlying flaw. VulnCheck has observed this vulnerability being exploited in the wild.

Vendor Product Affected Status
Guangzhou Smart Software Co., Ltd. SmartBI Before July 2023 update Affected
Guangzhou Smart Software Co., Ltd. SmartBI Before July 2023 update Affected
Guangzhou Smart Software Co., Ltd. SmartBI Before July 2023 update Affected
View vendor advisory (opens in new tab)
Published
15 Oct 2025
Exploitation Reported
01 Jun 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 01 Jun 2026

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CVE First 2026-06-01 10:44 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v4.0

9.2 Critical
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS

0.5%

Timeline

From disclosure to observed exploitation

  1. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  2. CVE published

    Vulnerability disclosed publicly

  3. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-7305

Free JSON includes basic KEV fields
{
  "cve_id": "CVE-2023-7305",
  "confidence": "High",
  "cvss_score": 9.2,
  "cvss_estimated": false,
  "epss_score": 0.00496,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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