`CVE-2023-4218` Eclipse IDE

Affected software	Eclipse IDE
Severity	5.0 Medium CVSS 3.1 2 scores
Fixed in	`3.29.0`
Weakness	XML external entity (XXE) (CWE-611)
Published	9 Nov 2023
Updated	17 Jun 2026

Description

In Eclipse IDE versions < 2023-09 (4.29) some files with xml content are parsed vulnerable against all sorts of XXE attacks. The user just needs to open any evil project or update an open project with a vulnerable file (for example for review a foreign repository or patch).

Exploitation status

Proof of concept only

A proof of concept exists, but no reviewed exploit catalogue lists this CVE.

CISA KEV not listed
VulnCheck KEV not listed
CISA Vulnrichment exploitation: poc CISA recorded that an exploit has been demonstrated. Automatable: no, technical impact: total.
Indexed PoC none indexed
EPSS 0.40% chance in 30 days

Waratek protection

Protected by Waratek

Waratek has a rule that blocks attacks on this vulnerability.

Protection full XXE
Action available security rule
Review automated Inferred
Record active

Decided by	A vulnerability class already blocked by an ARMR security rule
Finding	Protected by Waratek's ARMR xxe security rule, which blocks this class of attack at the JVM level without a rule written for this CVE specifically. The CVE's weakness is CWE-611: XML External Entity Reference.
Candidate fix	https://github.com/eclipse-cdt/cdt/commit/c7169b3186d2fef20f97467c3e2ad78e2943ed1b : a commit: the change itself

Decided by

A vulnerability class already blocked by an ARMR security rule

Finding

Protected by Waratek's ARMR xxe security rule, which blocks this class of attack at the JVM level without a rule written for this CVE specifically. The CVE's weakness is CWE-611: XML External Entity Reference.

Candidate fix

https://github.com/eclipse-cdt/cdt/commit/c7169b3186d2fef20f97467c3e2ad78e2943ed1b : a commit: the change itself

How to mitigate CVE-2023-4218

Upgrade Eclipse IDE to 3.29.0 or later. Until you can, Waratek RASP blocks exploitation with its XXE rule. It runs inside the Java application, with no code changes.

Waratek RASP Runtime protection for Java applications

CVSS

5.0 MEDIUM v3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N 2 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

Version Score Band Vector Assigner Type

CVSS 3.1 5.0 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N emo@eclipse.org Secondary published

CVSS 3.1 5.0 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N NVD Primary

Version	Score	Band	Vector	Assigner	Type
CVSS 3.1	5.0	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N`	emo@eclipse.org	Secondary	published
CVSS 3.1	5.0	MEDIUM	`CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N`	NVD	Primary

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev

Package Introduced Fixed Last affected

org.eclipse.platform:org.eclipse.core.runtime 0 3.29.0 unbounded

org.eclipse.platform:org.eclipse.platform 0 4.29.0 unbounded

org.eclipse.platform:org.eclipse.jface 0 3.31.0 unbounded

org.eclipse.platform:org.eclipse.ui.forms 0 3.13.0 unbounded

org.eclipse.platform:org.eclipse.ui.ide 0 3.21.100 unbounded

org.eclipse.platform:org.eclipse.ui.workbench 0 3.130.0 unbounded

org.eclipse.platform:org.eclipse.urischeme 0 1.3.100 unbounded

org.eclipse.jdt:org.eclipse.jdt.ui 0 3.30.0 unbounded

Package	Fixed	Last affected
`org.eclipse.platform:org.eclipse.core.runtime`	`3.29.0`	unbounded
`org.eclipse.platform:org.eclipse.platform`	`4.29.0`	unbounded
`org.eclipse.platform:org.eclipse.jface`	`3.31.0`	unbounded
`org.eclipse.platform:org.eclipse.ui.forms`	`3.13.0`	unbounded
`org.eclipse.platform:org.eclipse.ui.ide`	`3.21.100`	unbounded
`org.eclipse.platform:org.eclipse.ui.workbench`	`3.130.0`	unbounded
`org.eclipse.platform:org.eclipse.urischeme`	`1.3.100`	unbounded
`org.eclipse.jdt:org.eclipse.jdt.ui`	`3.30.0`	unbounded

Products and versions

11 products, 11 version entries

Source	Vendor	Product	Scheme	Affected versions
nvd	eclipse	eclipse ide	generic	＜ 4.29
nvd	eclipse	org.eclipse.core.runtime	generic	＜ 3.29.0
nvd	eclipse	pde	generic	＜ 3.13.2400
osv	org.eclipse.jdt	org.eclipse.jdt.ui	generic	＜ 3.30.0
osv	org.eclipse.platform	org.eclipse.core.runtime	generic	＜ 3.29.0
osv	org.eclipse.platform	org.eclipse.jface	generic	＜ 3.31.0
osv	org.eclipse.platform	org.eclipse.platform	generic	＜ 4.29.0
osv	org.eclipse.platform	org.eclipse.ui.forms	generic	＜ 3.13.0
osv	org.eclipse.platform	org.eclipse.ui.ide	generic	＜ 3.21.100
osv	org.eclipse.platform	org.eclipse.ui.workbench	generic	＜ 3.130.0
osv	org.eclipse.platform	org.eclipse.urischeme	generic	＜ 1.3.100

Source

Vendor

Product

Scheme

Affected versions

nvd

eclipse

eclipse ide

generic

＜ 4.29

nvd

eclipse

org.eclipse.core.runtime

generic

＜ 3.29.0

nvd

eclipse

pde

generic

＜ 3.13.2400

osv

org.eclipse.jdt

org.eclipse.jdt.ui

generic

＜ 3.30.0

osv

org.eclipse.platform

org.eclipse.core.runtime

generic

＜ 3.29.0

osv

org.eclipse.platform

org.eclipse.jface

generic

＜ 3.31.0

osv

org.eclipse.platform

generic

＜ 4.29.0

osv

org.eclipse.platform

org.eclipse.ui.forms

generic

＜ 3.13.0

osv

org.eclipse.platform

org.eclipse.ui.ide

generic

＜ 3.21.100

osv

org.eclipse.platform

org.eclipse.ui.workbench

generic

＜ 3.130.0

osv

org.eclipse.platform

org.eclipse.urischeme

generic

＜ 1.3.100

References

URL	Tags
https://github.com/eclipse-cdt/cdt/commit/c7169b3186d2fef20f97467c3e2ad78e2943ed1b	commit
https://github.com/eclipse-platform/eclipse.platform/security/advisories/GHSA-j24h-xcpc-9jw8	WEB
https://github.com/eclipse-emf/org.eclipse.emf/issues/10	WEB
https://github.com/eclipse-pde/eclipse.pde/pull/632	WEB
https://github.com/eclipse-pde/eclipse.pde/pull/667	WEB
https://github.com/eclipse-platform/eclipse.platform.releng.buildtools/pull/45	WEB
https://github.com/eclipse-platform/eclipse.platform/pull/761	WEB
https://github.com/eclipse-jdt/eclipse.jdt.core/commit/38dd2a878f45cdb3d8d52090f1d6d1b532fd4c4d	WEB
https://github.com/eclipse-jdt/eclipse.jdt.ui/commit/13675b1f8a74f47de4da89ed0ded6af7c21dfbec	WEB
https://github.com/eclipse-platform/eclipse.platform.swt/commit/bf71db5ddcb967c0863dad4745367b54f49e06ba	WEB

URL

Timeline

Published	2023-11-09	By the CVE Program.
NVD record modified	2026-06-17	NVD's own last-modified date for this record.

Published

2023-11-09

By the CVE Program.

NVD record modified

2026-06-17

NVD's own last-modified date for this record.

How VRT decided (17 of 24 rules ran)

17 of 24 rules ran. The rest didn't run because an earlier rule had already settled the CVE.

# Rule Outcome Status Detail

identity: Does this identifier describe a vulnerability at all? the first rule that matches decides

1 rejected no match CVE Program withdrawal of this identifier

scope: Is it a vulnerability Waratek protects? the first rule that matches decides

2 armr-patch-file no match An ARMR patch file on disk for this CVE

3 armr-secure-rule-file no match An ARMR security-rule template on disk for this CVE

4 manual-classification no match A researcher's recorded decision for this specific CVE

5 manual classification no match Manual classification of this CVE in the legacy dataset

6 non-java-upstream no match A root cause in non-Java code: an OS kernel, a C library, or a bundled runtime

7 oracle-component no match The defect being in a component of a tracked product the agent does not reach: JavaFX, the Java SE installer, the JInitiator browser plug-in, the native WebLogic proxy plug-in, or a native part of Oracle Application Server or Collaboration Suite (HTTP Server, Web Cache, Internet Directory, mail and calendar servers). Oracle gives these no CPE of their own and names them only in the description.

8 java-client-side no match Oracle's own risk-matrix note saying the CVE is reached only through untrusted code in the Java sandbox (applets, Web Start) or only through a client installation of Java, so a server running its own trusted code is not exposed

9 osv-maven matched In scope Maven packages: org.eclipse.platform:org.eclipse.core.runtime, org.eclipse.platform:org.eclipse.platform, org.eclipse.platform:org.eclipse.jface, org.eclipse.platform:org.eclipse.ui.forms, org.eclipse.platform:org.eclipse.ui.ide, org.eclipse.platform:org.eclipse.ui.workbench, org.eclipse.platform:org.eclipse.urischeme, org.eclipse.jdt:org.eclipse.jdt.ui

10 cna-maven-package not reached An affected Maven artifact named by the CNA itself

11 known-cpe-product not reached An NVD CPE naming a product ARMR tracks

12 cna-cpe-product not reached A CPE the CNA published naming a tracked product. Oracle publishes these on advisory day, months before NVD.

13 oracle-advisory-family not reached A tracked product family named in Oracle's own risk matrix. CPE cannot carry a suite name, only a module.

14 cna-named-product not reached A tracked product named in words by the CVE's own CNA, on a record with no CPE yet. Apache and Eclipse publish these on advisory day, before NVD adds CPE data.

15 non-deployable-product not reached The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached

16 unmatched-product not reached No tracked product matched above, and none present at all

disposition: What do we do about one that is? every rule runs

17 patch-hint matched Mitigation candidate References include candidate fix URL (commit tier): https://github.com/eclipse-cdt/cdt/commit/c7169b3186d2fef20f97467c3e2ad78e2943ed1b

18 open-source-maven skipped The affected package being open source on Maven, so the fix can be read

19 poc-derivable skipped An indexed exploit clearing the evidence bar to reverse-engineer, where there is no source to read

20 no-exploit skipped Nothing to build a rule from yet: no published exploit, no CISA record of exploitation and no source-level change to read

21 secure-rule-match decided it matched Protected by Waratek CWE-611 (XML External Entity Reference) is mitigable by an ARMR xxe security rule.

22 exploited-no-fix-or-poc skipped Somebody exploiting this CVE (a CISA or VulnCheck KEV listing, or a CISA verdict of active exploitation), with no fix, source code or PoC to build a rule from

23 below-action-threshold skipped Medium or Low severity, no CISA or VulnCheck KEV listing, no PoC clearing the evidence bar, no CISA verdict, no Oracle advisory

24 no-exploit-published skipped Exploit code for this candidate, published in a reviewed catalogue or a GitHub repository with 5 or more stars, or in use per CISA or VulnCheck; not only a CISA verdict, a forecast, or nothing at all

Products the scope rules checked

The products this CVE's record names, and whether VRT tracks each one. The scope rules decided on these.

Vendor Product Tracked CPE Source

eclipse eclipse_ide not tracked cpe:2.3:a:eclipse:eclipse_ide:*:*:*:*:*:*:*:*

eclipse org.eclipse.core.runtime not tracked cpe:2.3:a:eclipse:org.eclipse.core.runtime:*:*:*:*:*:*:*:*

eclipse pde not tracked cpe:2.3:a:eclipse:pde:*:*:*:*:*:*:*:*

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