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CVE-2022-4039

24
FAUCET Score

CVE-2022-4039 is a critical vulnerability affecting Red Hat Single Sign-On for OpenShift container images, stemming from an unsecured management interface. This flaw allows unauthenticated attackers to deploy malicious code, gaining full control over the application server configuration, including access to sensitive information. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential impact remains extremely high.

Impacted Technologies

VendorProductVersion(s)CPE
7.0CPE matchmatch criteria
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
4.9CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*
4.10CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*
4.9CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform_for_ibm_z:4.9:*:*:*:*:*:*:*
4.10CPE matchmatch criteria
cpe:2.3:a:redhat:openshift_container_platform_for_ibm_z:4.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.0HIGH

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.1
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 36th percentile among its peer group of 36,862 CVEs.

Social Chatter

No social media mentions found for this CVE.

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)

redhatpatch availablevia redhat_api
Product: RHEL-8 based Middleware ContainersFixed in: rh-sso-7/sso76-openshift-rhel8:7.6-20
View patch
redhatvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Single Sign-On 7Fixed in: rhsso-container-image

Vendor Advisories (1)

redhatCVE-2022-4039Important

rhsso-container-image: unsecured management interface exposed to adjecent network

Feb 28, 2023

References

access.redhat.com / errata/RHSA-2023:1047
Vendor Advisory
access.redhat.com / security/cve/CVE-2022-4039
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory