Is CVE-2012-4550 in the CISA KEV catalog?

No. CVE-2012-4550 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-4550?

CVE-2012-4550 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2012-4550?

CVE-2012-4550 has an EPSS score of 2.12% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2012-4550?

No published fix for CVE-2012-4550 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2012-4550

MEDIUMEPSS 80th pctl

5.3

CVSS v3

NVD

Description

A flaw was found in JBoss Enterprise Application Platform. When role-based authorization is used for Enterprise Java Beans (EJB) access, the system does not correctly call the necessary authorization modules. This prevents Java Authorization Contract for Containers (JACC) permissions from being applied, allowing remote attackers to gain unauthorized access to EJBs.

CWE-280Improper Handling of Insufficient Permissions CWE-264Permissions, Privileges, and Access Controls

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

2.12%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Vendor Advisory4

Other references4

Related Vulnerabilities

Other CWE-280 (Improper Handling of Insufficient Permissions) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24116	Critical	9.8	28%	-	-
CVE-2026-20817	High	7.8	5.3%	-	Fix
CVE-2020-8219	High	7.2	2.2%	-	-
CVE-2020-26195	Medium	5.3	1.8%	-	-
CVE-2019-6570	High	8.8	1.4%	-	Fix
CVE-2021-38312	High	7.1	1.3%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-14.