How severe is CVE-2023-37306?

CVE-2023-37306 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-37306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37306?

CVE-2023-37306 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-37306?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-37306 published?

CVE-2023-37306 was published on 2023-06-30 and last updated on 2026-06-23.

CVE-2023-37306

CVE-2023-37306 is a high-severity vulnerability in Misp-project Misp with a CVSS 3.x base score of 7.5. 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-209.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Misp-project Misp
Published: 2023-06-30
Last modified: 2026-06-23

Description

MISP 2.4.172 mishandles different certificate file extensions in server sync. An attacker can obtain sensitive information because of the nature of the error messages.

Frequently asked questions

What is CVE-2023-37306?: MISP 2.4.172 mishandles different certificate file extensions in server sync. An attacker can obtain sensitive information because of the nature of the error messages.
How severe is CVE-2023-37306?: CVE-2023-37306 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-37306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37306?: CVE-2023-37306 affects Misp-project Misp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-37306?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-37306 published?: CVE-2023-37306 was published on 2023-06-30 and last updated on 2026-06-23.

References

Affected products (1)

cpe:2.3:a:misp-project:misp:2.4.172:*:*:*:*:*:*:*

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