Public proof of conceptFix available

CVE-2018-1285

Q: Is CVE-2018-1285 actively exploited?

Active exploitation of CVE-2018-1285 has not been confirmed. Its EPSS score was 17.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-1285?

CVE-2018-1285 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2020-05-11
WeaknessCWE-611

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2020-05-1117:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-1285?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-1285?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
30.x	= 30	no fix published	NVD
31.x	= 31	no fix published	NVD
32.x	= 32	no fix published	NVD

Oracle hospitality opera 5

Branch	Affected	Fixed in	Source
5.5	= 5.5	no fix published	NVD
5.6	= 5.6	no fix published	NVD

Oracle hospitality simphony

Branch	Affected	Fixed in	Source
18.2	= 18.2.7.2	no fix published	NVD
19.1	= 19.1.3	no fix published	NVD

4 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-25-142-02 CISA1 known affected
Rockwell Automation FactoryTalk Historian ThingWorx
Rockwell Automation 95057C-FTHTWXCT11: <=v4.02.00
ICSA-24-226-02 CISA1 known affected
Rockwell Automation AADvance Standalone OPC-DA Server
Rockwell Automation AADvance Standalone OPC-DA Server: >=v2.01.510
ICSMA-23-194-01 CISA5 known affected
BD Alaris System with Guardrails Suite MX
BD Alaris Point-of-Care Unit (PCU) Model 8015: <=12.1.3 · BD Alaris Guardrails Editor: <=12.1.2 · BD Alaris Systems Manager: <=12.3 · +2 more

Full record on NVD

Fix

Vendor fix CISA ICSA-25-142-02 · 1 product95057C-FTHTWXCT11: Versions v5.00.00 and later
Vendor fix CISA ICSA-24-226-02 · 1 productAADvance Standalone OPC-DA Server: Update to v2.02 or later
Vendor fix CISA ICSMA-23-194-01 · 1 productBD Alaris Systems Manager Software version 12.5.1 - Remediates CVE-2018-1285, CVE-2023-30563, CVE-2023-30564, and CVE-2023-30565; partially remediates CVE-2023-30562
Vendor fix CISA ICSMA-23-194-01 · 1 productCalculation Services, version 1.1.1 - Remediates CVE-2018-1285, CVE-2023-30563, CVE-2023-30564, and CVE-2023-30565; partially remediates CVE-2023-30562
Mitigation from the vendor CISA ICSA-25-142-02 · 1 productRockwell Automation released a product update addressing this vulnerability:
Mitigation from the vendor CISA ICSA-25-142-02 · 1 productFor information on how to mitigate security risks on industrial automation control systems, Rockwell Automation encourages users to implement their suggested security best practices to minimize the risk of the vulnerability.

Advisories and patches

issues.apache.orgVendor Advisory
lists.apache.orgVendor Advisory
www.oracle.comPatch

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedalex-ermolaev/Log4NetSolarWindsSNMP-

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
NVDweakness (CWE)CWE-611read 2026-10-23
FIRST EPSSEPSS score17.8 %read 2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2020-05-11
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-1285?

Is CVE-2018-1285 actively exploited?

Active exploitation of CVE-2018-1285 has not been confirmed. Its EPSS score was 17.8% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1285?

CVE-2018-1285 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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