CVE-2014-2347: Amtelco miSecureMessages (aka MSM) 6.2 does not properly manage sessions, which allows remote authenticated us

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HIGH 7.0DOWNGRADE

CVE-2014-2347 is a high-severity flaw (CVSS 7.0) affecting misecuremessages. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Amtelco miSecureMessages (aka MSM) 6.2 does not properly manage sessions, which allows remote authenticated users to obtain sensitive information via a modified message request.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.0 (High)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-200, CWE-264
Published	2014-05-06
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: amtelco

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-05-06 10:44 UTCPublished CVE record published
2026-06-17 00:06 UTCUpdated Record last modified

amtelco misecuremessages DOWNGRADE

Affected: 6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.2

1. Check installed version

apt-cache policy misecuremessages || rpm -q misecuremessages || misecuremessages --version

2. No fixed release: DOWNGRADE to a release before 6.2 (Debian / Ubuntu)

apt-cache madison misecuremessages sudo apt install misecuremessages=<VERSION_BEFORE_6.2> sudo apt-mark hold misecuremessages

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

dnf --showduplicates list misecuremessages sudo dnf downgrade misecuremessages-<VERSION_BEFORE_6.2> sudo dnf versionlock add misecuremessages

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: miSecureMessages 4.0.1 - Session Management / Authentication Bypass

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-2014-2347?

misecuremessages: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-2347 being exploited?

CVE-2014-2347 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-2014-2347 affect?

CVE-2014-2347 affects misecuremessages. Severity is high (CVSS 7.0). Amtelco miSecureMessages (aka MSM) 6.2 does not properly manage sessions, which allows remote authenticated users to obtain sensitive information via a modified message request.

How urgent is CVE-2014-2347?

Priority 50/100. High severity; Public exploit reference

Related CVEs

CVE-2014-0357 MEDIUM 5.0 MITIGATE Amtelco miSecureMessages allows remote attackers to read the messages of arbitrary users via an XML request co

References

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