How severe is CVE-2023-37749?

CVE-2023-37749 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 low, integrity none, and availability none.

Is CVE-2023-37749 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-37749?

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

Does CVE-2023-37749 have an EU (EUVD) identifier?

Yes. CVE-2023-37749 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41626.

When was CVE-2023-37749 published?

CVE-2023-37749 was published on 2025-10-27 and last updated on 2026-06-17.

CVE-2023-37749

CVE-2023-37749 is a medium-severity vulnerability 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-41626
Weakness: CWE-284
Published: 2025-10-27
Last modified: 2026-06-17

Description

Incorrect access control in the REST API endpoint of HubSpot v1.29441 allows unauthenticated attackers to view users' data without proper authorization.

Frequently asked questions

What is CVE-2023-37749?: Incorrect access control in the REST API endpoint of HubSpot v1.29441 allows unauthenticated attackers to view users' data without proper authorization.
How severe is CVE-2023-37749?: CVE-2023-37749 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 low, integrity none, and availability none.
Is CVE-2023-37749 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-37749?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-37749 have an EU (EUVD) identifier?: Yes. CVE-2023-37749 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41626.
When was CVE-2023-37749 published?: CVE-2023-37749 was published on 2025-10-27 and last updated on 2026-06-17.

References

Other CWE-284 (Improper Access Control) vulnerabilities

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