Unrestricted file upload in Adobe Connect 9.7 and earlier
Priority LOW 33CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
Adobe Connect versions 9.7 and earlier have an exploitable unrestricted SWF file upload vulnerability. Successful exploitation could lead to information disclosure.
Why it matters now
EPSS 0.0348 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Adobe Connect 9.7 and earlier | Adobe Connect 9.7 and earlier | — | No fix listed | CNA |
- Adobe Connect 9.7 and earlier Vendor— Affected Adobe Connect 9.7 and earlier Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-4921
- 2026-10-03 Alias added: GHSA-rqrm-cfh9-q539
References
More Adobe Connect vulnerabilities
- TI-2023-08504 Adobe Connect Improper Access Control Security feature bypass CVSS 3.1MEDIUM 5.3
- TI-2021-17669 Adobe Connect Deserialization of Untrusted Data Remote Code Execution CVSS 3.0CRITICAL 9.8
- TI-2018-09178 Improper authentication in Adobe Connect 9.7.5 and earlier CVSS 3.0CRITICAL 9.8
- TI-2023-04295 RCE in Saphira Connect CVSS 3.1CRITICAL 9.8
- TI-2023-04294 SQLi in Saphira Connect CVSS 3.1CRITICAL 9.8
- TI-2017-08334 Server-side request forgery in Adobe Connect 9.6.2 and earlier versions CVSS 3.0CRITICAL 10.0
Sources
- CVE-2018-4921 · CVE Program
- CVE-2018-4921 · NVD
- FIRST EPSS
- GHSA-rqrm-cfh9-q539 · GitHub Advisory Database · CC BY 4.0
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