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CVE-2023-0456

23
FAUCET Score

CVE-2023-0456 is a high-severity flaw in Red Hat APICast's 3Scale OIDC module, allowing unauthorized access to information. The vulnerability arises from improper evaluation of mismatched tokens from separate realms, potentially exposing sensitive data. With a CVSS score of 7.5, it can be exploited remotely with low complexity and no user interaction, leading to high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.12.2CPE matchmatch criteria
cpe:2.3:a:redhat:apicast:*:*:*:*:*:*:*:*
>= 2.13.0, < 2.13.2CPE matchmatch criteria
cpe:2.3:a:redhat:apicast:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.4HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.64%
Probability of exploitation in next 30 days
EPSS Percentile
46.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0064 is in the 23rd percentile among its peer group of 51,551 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

Vendor Patches (2)

redhatvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat 3scale API Management Platform 2Fixed in: apicast

Vendor Advisories (1)

redhatCVE-2023-0456Important

APICast: APICast proxies the API call with incorrect JWT token to the API backend without proper authorization check

Jan 24, 2023

References

access.redhat.com / security/cve/CVE-2023-0456
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
ExploitIssue TrackingVendor Advisory