CVE-2025-3083 | Malformed MongoDB wire protocol messages may cause mongos to crash

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

Published: 2025-04-01 Last update: 2025-09-22 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-3083 is rated Moderate Risk (40/100): CVSS High severity, with low exploitation likelihood (EPSS 0.36%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-3083

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.21% 0.36% +0.15%
2 2026-05-10 0.26% 0.21% -0.04%
3 2026-01-26 — 0.26% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-3083

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2025-3083

OS Trackers for CVE-2025-3083

vendor priority summary link
ubuntu medium CVE-2025-3083 medium priority: Ubuntu including 1 source packages (mongodb), 10 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 5, deferred 4, released 1. https://ubuntu.com/security/CVE-2025-3083

Affected software / configurations for CVE-2025-3083

Vendor Product Version Raw CPE
mongodb mongodb >= 5.0.0, < 5.0.31 cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
mongodb mongodb >= 6.0.0, < 6.0.20 cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
mongodb mongodb >= 7.0.0, < 7.0.16 cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*

References for CVE-2025-3083

URL Tags
https://jira.mongodb.org/browse/SERVER-103152 Issue Tracking Vendor Advisory
cvelogic Threat Intelligence