How severe is CVE-2023-0437?

CVE-2023-0437 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2023-0437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0437?

CVE-2023-0437 affects Mongodb C Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0437?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-0437 have an EU (EUVD) identifier?

Yes. CVE-2023-0437 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-12492.

When was CVE-2023-0437 published?

CVE-2023-0437 was published on 2024-01-12 and last updated on 2026-06-17.

CVE-2023-0437

CVE-2023-0437 is a medium-severity vulnerability in Mongodb C Driver with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-12492
Weakness: CWE-835
Affected product: Mongodb C Driver
Published: 2024-01-12
Last modified: 2026-06-17

Description

When calling bson_utf8_validate on some inputs a loop with an exit condition that cannot be reached may occur, i.e. an infinite loop. This issue affects All MongoDB C Driver versions prior to versions 1.25.0.

Frequently asked questions

What is CVE-2023-0437?: When calling bson_utf8_validate on some inputs a loop with an exit condition that cannot be reached may occur, i.e. an infinite loop. This issue affects All MongoDB C Driver versions prior to versions 1.25.0.
How severe is CVE-2023-0437?: CVE-2023-0437 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2023-0437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0437?: CVE-2023-0437 affects Mongodb C Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-0437 have an EU (EUVD) identifier?: Yes. CVE-2023-0437 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-12492.
When was CVE-2023-0437 published?: CVE-2023-0437 was published on 2024-01-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mongodb:c_driver:*:*:*:*:*:mongodb:*:*

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