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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.49024.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Apache
  • Log4net
Fedoraproject
  • Fedora
Netapp
  • Manageability Software Development Kit
  • Snapcenter
Oracle
  • Application Testing Suite
  • Hospitality Opera 5
  • Hospitality Simphony

Configuration 1 [-]

cpe:2.3:a:apache:log4net:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Configuration 3 [-]

OR cpe:2.3:a:oracle:application_testing_suite:13.3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_opera_5:5.5:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_opera_5:5.6:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_simphony:18.2.7.2:*:*:*:*:*:*:*
cpe:2.3:a:oracle:hospitality_simphony:19.1.3:*:*:*:*:*:*:*

Configuration 4 [-]

OR cpe:2.3:a:netapp:manageability_software_development_kit:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*

No data.

No data.

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
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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}
cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

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

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

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.