CVE-2025-12815: CWE-283: Unverified Ownership in AWS Research and Engineering Studio (RES)
Description
Bulletin ID: AWS-2025-026 Scope: AWS Content Type: Important (requires attention) Publication Date: 2025/11/6 09:15 AM PDT Description: Research and Engineering Studio on AWS (RES) is an open source, easy-to-use web-based portal for administrators to create and manage secure cloud-based research and engineering environments. We identified CVE-2025-12815, in which an ownership verification issue in the Virtual Desktop preview page in the Research and Engineering Studio (RES) on AWS before version 2025.09 may allow an authenticated remote user to view another user's active desktop session metadata, including periodical desktop preview screenshots. Impacted versions: < 2025.09
CVSS v4.0
Score 5.3medium
Affected software
AWS
Research and Engineering Studio (RES)
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2025-12815 and classified under CWE-283 (Unverified Ownership), affects AWS Research and Engineering Studio (RES) versions before 2025.09. The flaw exists in the ownership verification mechanism on the Virtual Desktop preview page, permitting an authenticated remote user to view metadata and periodic screenshots of another user's active desktop session. This unauthorized access could expose sensitive session information. AWS has released a fix in version 2025.09 to resolve this issue.
Potential Impact
An authenticated remote user could gain unauthorized access to another user's active desktop session metadata and periodic desktop preview screenshots. This exposure may lead to leakage of sensitive session information, potentially compromising user privacy and confidentiality within the affected AWS RES environment.
Mitigation Recommendations
AWS has released an official fix for this vulnerability in version 2025.09 of Research and Engineering Studio (RES). Users should upgrade to version 2025.09 or later to remediate this issue. Since this is not a cloud service vulnerability, patching the affected software version is necessary to mitigate the risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- AMZN
- Date Reserved
- 2025-11-06T16:58:30.192Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 690cd9af1c9f718888294807
Added to database: 11/06/2025, 17:23:59 UTC
Last enriched: 06/05/2026, 19:29:24 UTC
Last updated: 10/04/2026, 10:02:22 UTC
Views: 219
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.