CVE-2017-5155: An issue was discovered in Schneider Electric Wonderware Historian 2014 R2 SP1 P01 and earlier

This month

HIGH 7.3REMOTEDOWNGRADE

CVE-2017-5155 is a high-severity flaw (CVSS 7.3) affecting wonderware historian. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Schneider Electric Wonderware Historian 2014 R2 SP1 P01 and earlier. Wonderware Historian creates logins with default passwords, which can allow a malicious entity to compromise Historian databases. In some installation scenarios, resources beyond those created by Wonderware Historian may be compromised as well.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-1188
Published	2017-02-13
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: schneider-electric

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

Am I affected?

Timeline

2017-02-13 21:59 UTCPublished CVE record published
2026-06-17 01:20 UTCUpdated Record last modified

schneider-electric wonderware historian DOWNGRADE

Affected: 2014_r2_sp1_p01

Fixed in: no fixed release known

Safe to downgrade to: a release before 2014_r2_sp1_p01

1. Check installed version

apt-cache policy wonderware-historian || rpm -q wonderware-historian || wonderware-historian --version

2. No fixed release: DOWNGRADE to a release before 2014_r2_sp1_p01 (Debian / Ubuntu)

apt-cache madison wonderware-historian sudo apt install wonderware-historian=<VERSION_BEFORE_2014_r2_sp1_p01> sudo apt-mark hold wonderware-historian

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

dnf --showduplicates list wonderware-historian sudo dnf downgrade wonderware-historian-<VERSION_BEFORE_2014_r2_sp1_p01> sudo dnf versionlock add wonderware-historian

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-2017-5155?

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

Is CVE-2017-5155 being exploited?

CVE-2017-5155 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-2017-5155 affect?

CVE-2017-5155 affects wonderware historian. Severity is high (CVSS 7.3). An issue was discovered in Schneider Electric Wonderware Historian 2014 R2 SP1 P01 and earlier. Wonderware Historian creates logins with default passwords, which can allow a malicious entity to compromise Historian databases. In some instal

How urgent is CVE-2017-5155?

Priority 50/100. High severity; Remotely exploitable, no login, no user action

Software pages

Schneider Electric vulnerabilities

Related CVEs

CVE-2012-3005 MEDIUM 6.9 DOWNGRADE UPGRADE Untrusted search path vulnerability in Invensys Wonderware InTouch 2012 and earlier, as used in Wonderware App

References

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