CVE-2018-1285: XML External Entity attack in log4net

CVE-2018-1285 · Severity: low · CVSS 3.1 · Published 2021-01-29

XML External Entity attack in log4net

Technologies: log4net (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2018-1285 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-1285 being exploited in the wild.
How severe is CVE-2018-1285?
Low severity, with a CVSS score of 3.1, published 29 January 2021.
Which products and versions are affected?
log4net (NuGet) ECOSYSTEM:introduced=0,fixed=2.0.10.
Is there a fix for CVE-2018-1285?
Yes. log4net (NuGet): upgrade to 2.0.10 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-1285?
Check whether you run log4net (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • log4net (NuGet): upgrade to 2.0.10 or later
    dotnet add package log4net --version 2.0.10

Affected products

  • log4net (NuGet) ECOSYSTEM:introduced=0,fixed=2.0.10

Identifiers

  • CVE-2018-1285
  • GHSA-2cwj-8chv-9pp9

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