How severe is CVE-2024-39677?

CVE-2024-39677 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-39677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39677?

CVE-2024-39677 affects Nhibernate Nhibernate-core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-39677?

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

Does CVE-2024-39677 have an EU (EUVD) identifier?

Yes. CVE-2024-39677 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2335.

When was CVE-2024-39677 published?

CVE-2024-39677 was published on 2024-07-08 and last updated on 2026-06-17.

CVE-2024-39677

CVE-2024-39677 is a medium-severity vulnerability in Nhibernate Nhibernate-core with a CVSS 3.x base score of 5.9. 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-89.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2335
Weakness: CWE-89
Affected product: Nhibernate Nhibernate-core
Published: 2024-07-08
Last modified: 2026-06-17

Description

NHibernate is an object-relational mapper for the .NET framework. A SQL injection vulnerability exists in some types implementing ILiteralType.ObjectToSQLString. Callers of these methods are exposed to the vulnerability, which includes mappings using inheritance with discriminator values; HQL queries referencing a static field of the application; users of the SqlInsertBuilder and SqlUpdateBuilder utilities, calling their AddColumn overload taking a literal value; and any direct use of the ObjectToSQLString methods for building SQL queries on the user side. This vulnerability is fixed in 5.4.9 and 5.5.2.

Frequently asked questions

What is CVE-2024-39677?: NHibernate is an object-relational mapper for the .NET framework. A SQL injection vulnerability exists in some types implementing ILiteralType.ObjectToSQLString. Callers of these methods are exposed to the vulnerability, which includes mappings using inheritance with discriminator values; HQL queries referencing a static field of the application; users of the SqlInsertBuilder and SqlUpdateBuilder utilities, calling their AddColumn overload taking a literal value; and any direct use of the ObjectToSQLString methods for building SQL queries on the user side. This vulnerability is fixed in 5.4.9 and 5.5.2.
How severe is CVE-2024-39677?: CVE-2024-39677 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-39677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39677?: CVE-2024-39677 affects Nhibernate Nhibernate-core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-39677 have an EU (EUVD) identifier?: Yes. CVE-2024-39677 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2335.
When was CVE-2024-39677 published?: CVE-2024-39677 was published on 2024-07-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nhibernate:nhibernate-core:*:*:*:*:*:*:*:*

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