CVE-2014-2381: Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 uses weak encryption, which

Routine

LOW 2.1DOWNGRADE

CVE-2014-2381 is a low-severity flaw (CVSS 2.1) affecting wonderware information server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 uses weak encryption, which allows local users to obtain sensitive information by reading a credential file.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.1% (top 96%)
CISA exploited list	No
Weakness	CWE-326
Published	2014-08-28
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2014-08-28 01:55 UTCPublished CVE record published
2026-06-17 00:06 UTCUpdated Record last modified

invensys wonderware information server DOWNGRADE

Affected: 4.0 sp1 · 4.5 · 5.0 · 5.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0

1. Check installed version

apt-cache policy wonderware-information-server || rpm -q wonderware-information-server || wonderware-information-server --version

2. No fixed release: DOWNGRADE to a release before 4.0 (Debian / Ubuntu)

apt-cache madison wonderware-information-server sudo apt install wonderware-information-server=<VERSION_BEFORE_4.0> sudo apt-mark hold wonderware-information-server

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

dnf --showduplicates list wonderware-information-server sudo dnf downgrade wonderware-information-server-<VERSION_BEFORE_4.0> sudo dnf versionlock add wonderware-information-server

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-2014-2381?

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

Is CVE-2014-2381 being exploited?

CVE-2014-2381 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-2014-2381 affect?

CVE-2014-2381 affects wonderware information server. Severity is low (CVSS 2.1). Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 uses weak encryption, which allows local users to obtain sensitive information by reading a credential file.

How urgent is CVE-2014-2381?

Priority 8/100. No elevated risk signals yet.

Software pages

Schneider Electric vulnerabilities

Related CVEs

CVE-2014-5399 HIGH 7.5 DOWNGRADE SQL injection vulnerability in Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5
CVE-2014-5398 LOW 2.1 DOWNGRADE Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 allows remote attackers to r
CVE-2014-5397 HIGH 7.5 DOWNGRADE Cross-site scripting (XSS) vulnerability in Schneider Electric Wonderware Information Server (WIS) Portal 4.0
CVE-2014-2380 HIGH 7.8 DOWNGRADE Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 uses weak encryption, which
CVE-2013-0688 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in Invensys Wonderware Information Server (WIS) 4.0 SP1SP1, 4.5- Port

References

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