What is CVE-2025-21385?

CVE-2025-21385 is a high-severity vulnerability in Microsoft Purview, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.8/10. Published 2025-01-09.

How severe is CVE-2025-21385?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2025-21385 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SSRF in Microsoft Purview

CVE-2025-21385

A Server-Side Request Forgery (SSRF) vulnerability in Microsoft Purview allows an authorized attacker to disclose information over a network.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.528 (98.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Microsoft Purview

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Public proof-of-concept exploits

References

Microsoft Purview Information Disclosure Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2025-21385?: CVE-2025-21385 is a high-severity vulnerability in Microsoft Purview, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.8/10. Published 2025-01-09.
How severe is CVE-2025-21385?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-21385 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.