CVE-2024-39677

Name: CVE-2024-39677
Creator: NVD / NIST
Published: 2024-07-08T15:15:22.45+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2024-39677 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. NHibernate is an object-relational mapper for the .NET framework. A SQL injection vulnerability exists in some types implementing ILiteralType.ObjectToSQLString. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.58%

43.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nhibernate	Nhibernate-Core	< 5.4.9
Nhibernate	Nhibernate-Core	>= 5.5.0, < 5.5.2

References

https://github.com/nhibernate/nhibernate-core/commit/b4a69d1a5ff5744312478d70308329af496e4ba9Patch
https://github.com/nhibernate/nhibernate-core/issues/3516Issue Tracking
https://github.com/nhibernate/nhibernate-core/pull/3517Issue Tracking
https://github.com/nhibernate/nhibernate-core/pull/3547Issue Tracking, Patch
https://github.com/nhibernate/nhibernate-core/security/advisories/GHSA-fg4q-ccq8-3r5qVendor Advisory
https://github.com/nhibernate/nhibernate-core/commit/b4a69d1a5ff5744312478d70308329af496e4ba9Patch
https://github.com/nhibernate/nhibernate-core/issues/3516Issue Tracking
https://github.com/nhibernate/nhibernate-core/pull/3517Issue Tracking
https://github.com/nhibernate/nhibernate-core/pull/3547Issue Tracking, Patch
https://github.com/nhibernate/nhibernate-core/security/advisories/GHSA-fg4q-ccq8-3r5qVendor Advisory

Timeline

Published: Jul 8, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-39677?

How severe is CVE-2024-39677?

CVE-2024-39677 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2024-39677?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-39677?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST