Medium severity · published Nov 3, 2025
CVE-2025-12657
Malformed KMIP response may result in access violation
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
The KMIP response parser built into mongo binaries is overly tolerant of certain malformed packets, and may parse them into invalid objects. Later reads of this object can result in read access violations.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
MongoDB · MongoDB
6.0.0 before 7.0.22; 8.0.0 before 8.0.10 · source: NVD
MS
MongoDB Server · MongoDB Inc.
6.0 before 7.0.22; 8.0 before 8.0.10 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12657
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12657
Vendor Advisory
https://jira.mongodb.org/browse/SERVER-101230
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