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CVE-2018-1285 Apache log4net

Affected softwareApache log4net
Severity9.8 Critical CVSS 3.1 2 scores
WeaknessXML external entity (XXE) (CWE-611)
Published11 May 2020
Updated17 Jun 2026

Description

Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This allows for XXE-based attacks in applications that accept attacker-controlled log4net configuration files.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. The 1 repository below are public GitHub repositories with fewer than 5 stars.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC 1 indexed, none at 5+ stars
  • EPSS 18% chance in 30 days A model's forecast, not a report of exploitation. Higher than 97% of all scored CVEs.

1 of these are GitHub repositories with fewer than 5 stars. They are listed for reference and don't count toward the exploitation status above.

IndexArtifactStarsFirst seen
GitHub PoC Test application for CVE-2018-1285 alert for Solarwinds DLLs 1 2021-12-31

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review human Researcher
  • Record active
Decided by Manual classification of this CVE in the legacy dataset
Finding A manual classification set this CVE's status to Outside Waratek scope, but the CVE names a tracked product.

CVSS

9.8 CRITICAL v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H NVD Primary published
CVSS 2.0 7.5 none AV:N/AC:L/Au:N/C:P/I:P/A:P NVD Primary

Affected software and releases

Oracle advisories

AdvisoryTypeQuarterProducts Oracle names in its risk matrix
Oracle Critical Patch Update October 2022 ↗ CPU 2022-Q4 Oracle Enterprise Manager / Application Service Level Management (Apache log4net) (13.4.0.0)
Oracle Critical Patch Update April 2022 ↗ CPU 2022-Q2 Oracle Enterprise Manager / Load Testing for Web Apps (Apache log4net) (13.3.0.1)
Oracle Critical Patch Update April 2021 ↗ CPU 2021-Q2 Oracle Hospitality Applications / Logging (Apache log4net) (5.5, 5.6)
Oracle Critical Patch Update January 2021 ↗ CPU 2021-Q1 Oracle Food and Beverage Applications / Simphony Server (Apache log4net) (18.2.7.2, 19.1.3)

Oracle components and versions

FamilyComponentVersions, as Oracle lists themRead as
Oracle Enterprise Manager Application Service Level Management (Apache log4net) 13.4.0.0 13.4.0.0
Oracle Enterprise Manager Load Testing for Web Apps (Apache log4net) 13.3.0.1 13.3.0.1
Oracle Food and Beverage Applications Simphony Server (Apache log4net) 18.2.7.2, 19.1.3 18.2.7.2 · 19.1.3
Oracle Hospitality Applications Logging (Apache log4net) 5.5, 5.6 5.5 · 5.6

Products and versions

7 products, 11 version entries
SourceVendorProductSchemeAffected versions
nvd apache log4net generic < 2.0.10
nvd fedoraproject fedora generic 30 · 31 · 32
nvd netapp manageability software development kit generic any version
nvd netapp snapcenter generic any version
nvd oracle application testing suite generic 13.3.0.1
nvd oracle hospitality opera 5 generic 5.5 · 5.6
nvd oracle hospitality simphony generic 18.2.7.2 · 19.1.3

Earlier manual review

A reviewer classified this CVE in an older dataset. We kept the labels and products below, but not the reviewer's reasoning.

## Manual Classification Context **Labels:** HTTP, NO AUTH REMOTE EXPLOIT, SIMPHONY SERVER (APACHE LOG4NET), LOGGING (APACHE LOG4NET) **Products:** ORACLE FOOD AND BEVERAGE APPLICATIONS, ORACLE HOSPITALITY SIMPHONY, ORACLE HOSPITALITY OPERA 5, ORACLE HOSPITALITY APPLICATIONS, LOG4NET

References

URLTags
https://issues.apache.org/jira/browse/LOG4NET-575 Issue Tracking, Vendor Advisory
https://lists.apache.org/thread.html/r00b16ac5e0bbf7009a0d167ed58f3f94d0033b0f4b3e3d5025cc4872%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/r33564de316d4e4ba0fea1d4d079e62cde1ffe64369c1157243d840d9%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/r525cbbd7db0aef4a114cf60de8439aa285decc34904d42a7f14f39c3%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/r6543acafca3e2d24ff4b0c364a91540cb9378977ffa8d37a03ab4b0f%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/r7ab6b6e702f11a6f77b0db2af2d5e5532f56ae4b99b5fe73c5200b6a%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/r9de86a185575e6c5f92e2a70a1d2e2e9514dc4341251577aac8e3866%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/rd2d72a017e238d1f345f9d14e075c81be16fc68a41c9e9ad9e29a732%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/rdbac24c945ca5c69cd5348b5ac023bc625768f653335de146e09ae2d%40%3Cdev.logging.apache.org%3E
https://lists.apache.org/thread.html/reab1c277c95310bad1038255e0757857b2fbe291411b4fa84552028a%40%3Cdev.logging.apache.org%3E Mailing List, Vendor Advisory

Timeline

Published2020-05-11By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.