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CVE-2018-12544

32
FAUCET Score

CVE-2018-12544 describes a critical XML External Entity (XXE) vulnerability in Eclipse Vert.x versions 3.5.Beta1 through 3.5.3, specifically when using its OpenAPI XML type validator. This flaw allows unauthenticated attackers to remotely compromise systems with high impact on confidentiality, integrity, and availability due to the lack of proper XML parser defenses. While there is no known active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
3.5.0CPE matchmatch criteria
cpe:2.3:a:eclipse:vert.x:3.5.0:*:*:*:*:*:*:*
3.5.0CPE matchmatch criteria
cpe:2.3:a:eclipse:vert.x:3.5.0:beta1:*:*:*:*:*:*
3.5.1CPE matchmatch criteria
cpe:2.3:a:eclipse:vert.x:3.5.1:*:*:*:*:*:*:*
3.5.2CPE matchmatch criteria
cpe:2.3:a:eclipse:vert.x:3.5.2:*:*:*:*:*:*:*
3.5.2CPE matchmatch criteria
cpe:2.3:a:eclipse:vert.x:3.5.2:cr1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.17%
Probability of exploitation in next 30 days
EPSS Percentile
80.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0217 is in the 70th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: io.vertx:vertx-coreFixed in: 3.5.4
redhatpatch availablevia redhat_api
Product: Text-Only RHOARFixed in: vertx-web
View patch

Vendor Advisories (2)

mavenGHSA-qh3m-qw6v-qvhgmedium

Moderate severity vulnerability that affects io.vertx:vertx-core

Oct 17, 2018
redhatCVE-2018-12544Moderate

vertx: API Validation XML Schemas do not forbid file system access

Sep 27, 2018

References

access.redhat.com / errata/RHSA-2018:2946
Third Party Advisory
bugs.eclipse.org / bugs/show_bug.cgi
Issue TrackingPatchVendor Advisory
github.com / vert-x3/vertx-web/issues/1021
PatchThird Party Advisory
lists.apache.org / thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E