CVE-2024-10921 | Improper neutralization of null bytes may lead to buffer over-reads in MongoDB Server

An authorized user may trigger crashes or receive the contents of buffer over-reads of Server memory by issuing specially crafted requests that construct malformed BSON in the MongoDB Server. This issue affects MongoDB Server v5.0 versions prior to 5.0.30 , MongoDB Server v6.0 versions prior to 6.0.19, MongoDB Server v7.0 versions prior to 7.0.15 and MongoDB Server v8.0 versions prior to and including 8.0.2.

Published: 2024-11-14 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-10921 is rated Moderate Risk (41.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.54%). 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-2024-10921

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 0.76% 0.54% -0.22%
2 2026-05-31 0.54% 0.76% +0.22%
3 2026-04-05 — 0.54% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-10921

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 3.1 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
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:H)
Serious risk that confidential data gets exposed in a big 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.
 1.6 5.2 [email protected]
8.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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:L)
A normal user session is enough; they don’t have to be admin.
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:H)
Serious risk that confidential data gets exposed in a big 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.
 2.8 5.2 [email protected]

Weakness enumeration for CVE-2024-10921

OS Trackers for CVE-2024-10921

vendor priority summary link
ubuntu medium CVE-2024-10921 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-2024-10921

Affected software / configurations for CVE-2024-10921

Vendor Product Version Raw CPE
mongodb mongodb >= 5.0.0, < 5.0.30 cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
mongodb mongodb >= 6.0.0, < 6.0.19 cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
mongodb mongodb >= 7.0.0, < 7.0.15 cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*
mongodb mongodb >= 8.0.0, < 8.0.3 cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*

References for CVE-2024-10921

URL Tags
https://jira.mongodb.org/browse/SERVER-96419 Issue Tracking Vendor Advisory
cvelogic Threat Intelligence