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.
Published: 2020-05-11
Score: 9.8 Critical
EPSS: 72.1% High
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-2cwj-8chv-9pp9 XML External Entity attack in log4net
Ubuntu USN Ubuntu USN USN-4699-1 Apache Log4net vulnerability
References
Link Providers
https://issues.apache.org/jira/browse/LOG4NET-575 cve-icon cve-icon
https://lists.apache.org/thread.html/r00b16ac5e0bbf7009a0d167ed58f3f94d0033b0f4b3e3d5025cc4872%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r33564de316d4e4ba0fea1d4d079e62cde1ffe64369c1157243d840d9%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r525cbbd7db0aef4a114cf60de8439aa285decc34904d42a7f14f39c3%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r6543acafca3e2d24ff4b0c364a91540cb9378977ffa8d37a03ab4b0f%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r7ab6b6e702f11a6f77b0db2af2d5e5532f56ae4b99b5fe73c5200b6a%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9de86a185575e6c5f92e2a70a1d2e2e9514dc4341251577aac8e3866%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd2d72a017e238d1f345f9d14e075c81be16fc68a41c9e9ad9e29a732%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rdbac24c945ca5c69cd5348b5ac023bc625768f653335de146e09ae2d%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/reab1c277c95310bad1038255e0757857b2fbe291411b4fa84552028a%40%3Cdev.logging.apache.org%3E cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2U233HVAQDSZ2PRG4XSGDASLY3J6ALH/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKL2LPINAI6BCMXOH4V4HVHGLUXIWOFO/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT2DNNSW7C7FNK3MA3SLEUHGW5USYZKE/ cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20220909-0001/ cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuApr2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuapr2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujan2021.html cve-icon cve-icon
History

Fri, 11 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.47062}

epss

{'score': 0.49024}


Subscriptions

Apache Log4net
Fedoraproject Fedora
Netapp Manageability Software Development Kit Snapcenter
Oracle Application Testing Suite Hospitality Opera 5 Hospitality Simphony
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2024-08-05T03:59:37.654Z

Reserved: 2017-12-07T00:00:00.000Z

Link: CVE-2018-1285

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-05-11T17:15:10.923

Modified: 2024-11-21T03:59:32.683

Link: CVE-2018-1285

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses