No exploitation reportedFix available

CVE-2024-0056

Q: Is CVE-2024-0056 actively exploited?

Active exploitation of CVE-2024-0056 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2024-0056?

CVE-2024-0056 has a CVSS v3 base score of 8.7 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

No exploitation reported by the sources we read.

Published2024-01-09
Fixed in4.8.04690.02 · 4.8.04690.01
WeaknessCWE-319

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability

Timeline

dates in UTC

2024-01-0918:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-0056?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-0056?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Microsoft .net frameworkversion to verify

Branch	Affected	Fixed in	Source
4.8	≥ 4.8, < 4.8.04690.02	4.8.04690.02	NVD
4.8	≥ 4.8, < 4.8.04690.01	4.8.04690.01	NVD
4.6	= 4.6.2	no fix published	NVD
4.7	= 4.7	no fix published	NVD
4.7	= 4.7.1	no fix published	NVD
4.7	= 4.7.2	no fix published	NVD
3.5	= 3.5	no fix published	NVD
4.8	= 4.8.1	no fix published	NVD
2.0	= 2.0	no fix published	NVD

Microsoft microsoft.data.sqlclient

Branch	Affected	Fixed in	Source
5.1	≥ 5.1, < 5.1.3	5.1.3	NVD
5.x	≥ 5.0.0, < 5.1.3	5.1.3	OSV
4.0	≥ 4.0, < 4.0.5	4.0.5	NVD
4.0	≥ 4.0.0, < 4.0.5	4.0.5	OSV
3.1	≥ 3.1, < 3.1.5	3.1.5	NVD
3.x	≥ 3.0.0, < 3.1.5	3.1.5	OSV
2.1	≥ 2.1, < 2.1.7	2.1.7	NVD
2.1	< 2.1.7	2.1.7	OSV

Microsoft .net

Branch	Affected	Fixed in	Source
8.0	≥ 8.0.0, < 8.0.1	8.0.1	OSV
7.0	≥ 7.0.0, < 7.0.15	7.0.15	NVD · OSV
6.0	≥ 6.0.0, < 6.0.26	6.0.26	NVD · OSV
8.0	= 8.0.0	no fix published	NVD

3 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

dotnetAlmaLinux:8all versions · fixed in 8.0.101-1.el8_9and 4 other packages
dotnet-hostAlmaLinux:9all versions · fixed in 8.0.1-1.el9_3and 6 other packages
dotnet-hostAlmaLinux:8all versions · fixed in 8.0.1-1.el8_9and 6 other packages
dotnet-hostfxr-6.0AlmaLinux:9all versions · fixed in 6.0.26-1.el9_3and 5 other packages
dotnet-hostfxr-6.0AlmaLinux:8all versions · fixed in 6.0.26-1.el8_9and 5 other packages
dotnet-hostfxr-7.0AlmaLinux:9all versions · fixed in 7.0.15-1.el9_3and 5 other packages
dotnet-hostfxr-7.0AlmaLinux:8all versions · fixed in 7.0.15-1.el8_9and 5 other packages
dotnet-sdk-6.0AlmaLinux:9all versions · fixed in 6.0.126-1.el9_3and 2 other packages

4 more package ranges on OSV.dev

Vendor advisories

ICSA-25-317-15 CISA1 known affected
Siemens COMOS
COMOS
ICSA-25-135-02 CISA1 known affected
Siemens INTRALOG WMS
INTRALOG WMS

Full record on NVD

Fix

Update Microsoft .net framework to 4.8.04690.02 · 4.8.04690.01
Vendor fix CISA ICSA-25-317-15 · 1 productUpdate to V10.4.5 or later version
Vendor fix CISA ICSA-25-135-02 · 1 productUpdate to V5 or later version

Advisories and patches

msrc.microsoft.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2025-05-08
OpenCVESSVC decisionnone—
CNACVSS 3.18.7read 2026-10-23
CNAweakness (CWE)CWE-319read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Published: 2024-01-09
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2024-0056?

Microsoft.Data.SqlClient and System.Data.SqlClient SQL Data Provider Security Feature Bypass Vulnerability

Is CVE-2024-0056 actively exploited?

Active exploitation of CVE-2024-0056 has not been confirmed. Its EPSS score was 1.2% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-0056?

CVE-2024-0056 has a CVSS v3 base score of 8.7 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

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