VulnerabilityModified
CVE-2018-1285
This allows for XXE-based attacks in applications that accept attacker-controlled log4net configuration files.
CRITICAL 9.8EPSS 17.8%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 17.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 17.82% probability · 97th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-611
- Affected
- apache/log4net · fedoraproject/fedora · oracle/application testing suite · oracle/hospitality opera 5 · oracle/hospitality simphony · netapp/manageability software development kit · netapp/snapcenter
- Source
- security@apache.org
EPSS 17.8% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://issues.apache.org/jira/browse/LOG4NET-575Issue 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%3EMailing List, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2U233HVAQDSZ2PRG4XSGDASLY3J6ALH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKL2LPINAI6BCMXOH4V4HVHGLUXIWOFO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT2DNNSW7C7FNK3MA3SLEUHGW5USYZKE/
- https://security.netapp.com/advisory/ntap-20220909-0001/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlThird Party Advisory
- https://issues.apache.org/jira/browse/LOG4NET-575Issue 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%3EMailing List, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M2U233HVAQDSZ2PRG4XSGDASLY3J6ALH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VKL2LPINAI6BCMXOH4V4HVHGLUXIWOFO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT2DNNSW7C7FNK3MA3SLEUHGW5USYZKE/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.