HOMEVULNERABILITIESCVE-2018-1285
CRITICAL

CVE-2018-1285

CWE-611Published: May 11, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-1285 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Apache1 product(s)
log4net
Fedora1 product(s)
fedora
netapp2 product(s)
manageability software development kitsnapcenter
Oracle3 product(s)
application testing suitehospitality opera 5hospitality simphony
Source: NVD CPE · 11 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.oracle.com/security-alerts/cpuapr2022.html
PATCHhttps://www.oracle.com/security-alerts/cpuapr2022.html
ADVISORYhttps://issues.apache.org/jira/browse/LOG4NET-575
ADVISORYhttps://lists.apache.org/thread.html/reab1c277c95310bad1038255e0757857b2fbe291411b4fa84552028a%40%3Cdev.logging.apache.org%3E
ADVISORYhttps://security.netapp.com/advisory/ntap-20220909-0001/
ADVISORYhttps://www.oracle.com/security-alerts/cpuApr2021.html
ADVISORYhttps://www.oracle.com/security-alerts/cpujan2021.html
ADVISORYhttps://issues.apache.org/jira/browse/LOG4NET-575
ADVISORYhttps://lists.apache.org/thread.html/reab1c277c95310bad1038255e0757857b2fbe291411b4fa84552028a%40%3Cdev.logging.apache.org%3E
ADVISORYhttps://security.netapp.com/advisory/ntap-20220909-0001/
ADVISORYhttps://www.oracle.com/security-alerts/cpuApr2021.html
ADVISORYhttps://www.oracle.com/security-alerts/cpujan2021.html

All References (34)

→
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

Quick Facts

CVE IDCVE-2018-1285
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-611
CISA KEVNo
Affected4 vendor(s)
PublishedMay 11, 2020

Related CVEs (CWE-611)

CVE-2018-1000821
10.0
CVE-2018-1000823
10.0
CVE-2023-38490
10.0
CVE-2018-1000820
10.0
CVE-2018-1000822
10.0
CVE-2018-1000825
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-1285 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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