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Fencer Vulns
high 7.5

CVE-2025-3083 json

Malformed MongoDB wire protocol messages may cause mongos to crash

published 2025-04-01 19 mo ago modified 2026-09-08 2 mo ago also BIT-mongodb-2025-3083 , EUVD-2025-9313

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 39%
public exploits
0
none known

Summary

Specifically crafted MongoDB wire protocol messages can cause mongos to crash during command validation. This can occur without using an authenticated connection. This issue affects MongoDB v5.0 versions prior to 5.0.31,  MongoDB v6.0 versions prior to 6.0.20 and MongoDB v7.0 versions prior to 7.0.16

Patch / fix

  • bitnami mongodb 5.0.31, 6.0.20, 7.0.16
  • MongoDB Inc MongoDB Server 5.0.31, 6.0.20, 7.0.16

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
19 mo ago

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
bitnami mongodb
>=5.0.0, <5.0.31
>=6.0.0, <6.0.20
>=7.0.0, <7.0.16
5.0.31
6.0.20
7.0.16

Affected products

  • MongoDB Inc MongoDB Server

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.