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CVE-2021-41035

32
FAUCET Score

CVE-2021-41035 describes a critical vulnerability in Eclipse OpenJ9 versions prior to 0.29.0, where the JVM fails to throw an IllegalAccessError for MethodHandles invoking inaccessible interface methods. This flaw carries a CVSS score of 9.8 (CRITICAL), indicating it can be exploited remotely with low complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or inclusion in the KEV catalog, the vulnerability has garnered significant community discussion, with 10 mentions across platforms like GitHub.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.29.0CPE matchmatch criteria
cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 63rd percentile among its peer group of 36,897 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 (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.8.0-ibm-1:1.8.0.7.0-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.7.1-ibm-1:1.7.1.5.0-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-1.8.0-ibm-1:1.8.0.7.0-1.el8_5
View patch

Vendor Advisories (1)

redhatCVE-2021-41035Moderate

JDK: IllegalAccessError exception not thrown for MethodHandles that invoke inaccessible interface methods

Nov 30, 2021

References

bugs.eclipse.org / bugs/show_bug.cgi
Vendor Advisory
github.com / eclipse-openj9/openj9/pull/13740
PatchThird Party Advisory
gitlab.eclipse.org / eclipsefdn/emo-team/emo/-/issues/104
Vendor Advisory
security.netapp.com / advisory/ntap-20240621-0006