CVE-2025-14847

HIGH CISA KEV

CVSS v3

7.5

HIGH

EPSS Score

68.9%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, Mong

CISA Known Exploited Vulnerability

Date Added: 12/29/2025
Patch Due Date: 1/19/2026
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Technical Details

CVSS v3 Vector: 3.1
Published: 12/19/2025
Last Modified: 1/13/2026

Frequently Asked Questions

What is CVE-2025-14847?

Is CVE-2025-14847 actively exploited?

Yes. CVE-2025-14847 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 1/19/2026.

What is the CVSS score for CVE-2025-14847?

CVE-2025-14847 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string 3.1.

Is CVE-2025-14847 affecting your environment?

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