CVE-2025-12815
CVE-2025-12815 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-283.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v4: 5.3
- EPSS exploit prediction: 0% (20th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-38148
- Weakness: CWE-283
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2025-12815?
- 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.
- How severe is CVE-2025-12815?
- CVE-2025-12815 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2025-12815 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-12815?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-12815 have an EU (EUVD) identifier?
- Yes. CVE-2025-12815 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-38148.
- When was CVE-2025-12815 published?
- CVE-2025-12815 was published on 2025-11-06 and last updated on 2026-06-17.
References
- https://aws.amazon.com/security/security-bulletins/AWS-2025-026/
- https://github.com/aws/res/releases/tag/2025.09
- https://github.com/aws/res/security/advisories/GHSA-x3cx-g8g9-75hv
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