AWS RES Virtual Desktop Preview Ownership Verification Flaw (2025.08)
CVE-2025-12815 Published on November 6, 2025

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. To mitigate this issue, users should upgrade to version 2025.09 or above.

Vendor Advisory Vendor Advisory NVD

Vulnerability Analysis

CVE-2025-12815 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

Unverified Ownership

The software does not properly verify that a critical resource is owned by the proper entity.


Products Associated with CVE-2025-12815

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Affected Versions

AWS Research and Engineering Studio (RES) Version 2025.09 is unaffected by CVE-2025-12815

Exploit Probability

EPSS
0.05%
Percentile
15.57%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.