CVE-2012-3427: A flaw was found in JBoss Enterprise Application Platform (EAP) and EC2 Amazon Machine Image (AMI)

Routine

MEDIUM 5.5WATCHLISTDOWNGRADE

CVE-2012-3427 is a medium-severity flaw (CVSS 5.5) affecting jboss enterprise application platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in JBoss Enterprise Application Platform (EAP) and EC2 Amazon Machine Image (AMI). Incorrect permissions (755) for the /var/cache/jboss-ec2-eap/ directory allow a local user to read sensitive files. This vulnerability can lead to information disclosure, specifically exposing Amazon Web Services (AWS) credentials.

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-276, CWE-264
Published	2014-02-02
Last modified	2026-10-30

Publisher (CNA): Red Hat, Inc. · Vendor: redhat

Last updated 2026-10-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-02-02 20:55 UTCPublished CVE record published
2026-10-30 19:17 UTCUpdated Record last modified

redhat jboss enterprise application platform DOWNGRADE

Affected: 5.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.1.2

1. Check installed version

apt-cache policy jboss-enterprise-application-platform || rpm -q jboss-enterprise-application-platform || jboss-enterprise-application-platform --version

2. No fixed release: DOWNGRADE to a release before 5.1.2 (Debian / Ubuntu)

apt-cache madison jboss-enterprise-application-platform sudo apt install jboss-enterprise-application-platform=<VERSION_BEFORE_5.1.2> sudo apt-mark hold jboss-enterprise-application-platform

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list jboss-enterprise-application-platform sudo dnf downgrade jboss-enterprise-application-platform-<VERSION_BEFORE_5.1.2> sudo dnf versionlock add jboss-enterprise-application-platform

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2012-3427?

jboss enterprise application platform: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-3427 being exploited?

CVE-2012-3427 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2012-3427 affect?

CVE-2012-3427 affects jboss enterprise application platform. Severity is medium (CVSS 5.5). A flaw was found in JBoss Enterprise Application Platform (EAP) and EC2 Amazon Machine Image (AMI). Incorrect permissions (755) for the /var/cache/jboss-ec2-eap/ directory allow a local user to read sensitive files. This vulnerability can l

How urgent is CVE-2012-3427?

Priority 31/100. On your watchlist

Software pages

AWS vulnerabilities · JBoss and WildFly vulnerabilities

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References

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