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CVE-2023-38264

21
FAUCET Score

CVE-2023-38264 is a denial-of-service vulnerability affecting the Object Request Broker (ORB) component of IBM SDK, Java Technology Edition versions 7.1.0.0 through 7.1.5.21 and 8.0.0.0 through 8.0.8.21. This flaw stems from improper enforcement of deserialization filters, allowing an unauthenticated attacker to remotely trigger a denial of service with low attack complexity. While rated as HIGH severity with a CVSS score of 7.5, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.1.0.0, < 7.1.5.22CPE matchmatch criteria
cpe:2.3:a:ibm:java_software_development_kit:*:*:*:*:java_technology:*:*:*
>= 8.0.0.0, < 8.0.8.25CPE matchmatch criteria
cpe:2.3:a:ibm:java_software_development_kit:*:*:*:*:java_technology:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.85%
Probability of exploitation in next 30 days
EPSS Percentile
54.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0085 is in the 29th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.8.0-ibm-1:1.8.0.8.25-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-1.8.0-ibm-1:1.8.0.8.25-1.el8_10
View patch

Vendor Advisories (1)

redhatCVE-2023-38264Moderate

JDK: Object Request Broker (ORB) denial of service

May 10, 2024

References

exchange.xforce.ibmcloud.com / vulnerabilities/260578
Vendor Advisory
ibm.com / support/pages/node/7150727
Vendor Advisory