What’s Vulnerable › Vulnerabilities

CVE-2018-14878

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-13 · updated 2026-06-17
• Weakness: CWE-502

Description

JetBrains dotPeek before 2018.2 and ReSharper Ultimate before 2018.1.4 allow attackers to execute code by decompiling a compiled .NET object (such as a DLL or EXE file) with a specific file, because of Deserialization of Untrusted Data.

Affected products

• JetBrains Dotpeek: before 2018.2 — fixed in 2018.2
• JetBrains Resharper Ultimate: through 2018.1.4

How to fix

Upgrade to a fixed version: JetBrains Dotpeek 2018.2. Check the vendor advisory for mitigations.

References

• https://blog.jetbrains.com/dotnet/2018/08/02/resharper-ultimate-2018-1-4-rider-2018-1-4-released/
• https://www.nccgroup.trust/uk/about-us/newsroom-and-events/blogs/2018/august/aspnet-resource-files-resx-and-deserialisation-issues/
• https://blog.jetbrains.com/dotnet/2018/08/02/resharper-ultimate-2018-1-4-rider-2018-1-4-released/
• https://www.nccgroup.trust/uk/about-us/newsroom-and-events/blogs/2018/august/aspnet-resource-files-resx-and-deserialisation-issues/

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