How severe is CVE-2017-5155?

CVE-2017-5155 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2017-5155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5155?

CVE-2017-5155 affects Schneider-electric Wonderware Historian. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-5155?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-5155 published?

CVE-2017-5155 was published on 2017-02-13 and last updated on 2026-06-17.

CVE-2017-5155

CVE-2017-5155 is a high-severity vulnerability in Schneider-electric Wonderware Historian with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1188.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1188
Affected product: Schneider-electric Wonderware Historian
Published: 2017-02-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-5155?: 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.
How severe is CVE-2017-5155?: CVE-2017-5155 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2017-5155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5155?: CVE-2017-5155 affects Schneider-electric Wonderware Historian. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5155?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-5155 published?: CVE-2017-5155 was published on 2017-02-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schneider-electric:wonderware_historian:2014_r2_sp1_p01:*:*:*:*:*:*:*

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