CVE-2022-4952

Name: CVE-2022-4952
Creator: NVD / NIST
Published: 2023-07-17T02:15:09.273+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2022-4952 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been found in OmniSharp csharp-language-server-protocol up to 0.19.6 and classified as problematic. This vulnerability affects the function CreateSerializerSettings of the file src/JsonRpc/Serialization/SerializerBase.cs of the component JSON Serializer. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in OmniSharp csharp-language-server-protocol up to 0.19.6 and classified as problematic. This vulnerability affects the function CreateSerializerSettings of the file src/JsonRpc/Serialization/SerializerBase.cs of the component JSON Serializer. The manipulation leads to resource consumption. Upgrading to version 0.19.7 is able to address this issue. The patch is identified as 7fd2219f194a9ef2a8901bb131c5fa12272305ce. It is recommended to upgrade the affected component. VDB-234238 is the identifier assigned to this vulnerability.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.72%

49.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Dotnetfoundation	C\# Language Server Protocol	< 0.19.7

References

https://github.com/OmniSharp/csharp-language-server-protocol/commit/7fd2219f194a9ef2a8901bb131c5fa12272305cePatch
https://github.com/OmniSharp/csharp-language-server-protocol/pull/902Patch
https://github.com/OmniSharp/csharp-language-server-protocol/releases/tag/v0.19.7Release Notes
https://vuldb.com/?ctiid.234238Permissions Required
https://vuldb.com/?id.234238Third Party Advisory
https://github.com/OmniSharp/csharp-language-server-protocol/commit/7fd2219f194a9ef2a8901bb131c5fa12272305cePatch
https://github.com/OmniSharp/csharp-language-server-protocol/pull/902Patch
https://github.com/OmniSharp/csharp-language-server-protocol/releases/tag/v0.19.7Release Notes
https://vuldb.com/?ctiid.234238Permissions Required
https://vuldb.com/?id.234238Third Party Advisory

Timeline

Published: Jul 17, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4952?

How severe is CVE-2022-4952?

CVE-2022-4952 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4952?

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-2022-4952?

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

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Source: NVD / NIST