How severe is CVE-2016-5815?

CVE-2016-5815 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-5815 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5815?

CVE-2016-5815 primarily affects Schneider-electric Ion5000. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-5815?

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

When was CVE-2016-5815 published?

CVE-2016-5815 was published on 2017-02-13 and last updated on 2026-06-17.

CVE-2016-5815

CVE-2016-5815 is a critical-severity vulnerability in Schneider-electric Ion5000 with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Schneider-electric Ion5000
Published: 2017-02-13
Last modified: 2026-06-17

Description

An issue was discovered on Schneider Electric IONXXXX series power meters ION73XX series, ION75XX series, ION76XX series, ION8650 series, ION8800 series, and PM5XXX series. No authentication is configured by default. An unauthorized user can access the device management portal and make configuration changes.

Frequently asked questions

What is CVE-2016-5815?: An issue was discovered on Schneider Electric IONXXXX series power meters ION73XX series, ION75XX series, ION76XX series, ION8650 series, ION8800 series, and PM5XXX series. No authentication is configured by default. An unauthorized user can access the device management portal and make configuration changes.
How severe is CVE-2016-5815?: CVE-2016-5815 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-5815 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5815?: CVE-2016-5815 primarily affects Schneider-electric Ion5000. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-5815?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-5815 published?: CVE-2016-5815 was published on 2017-02-13 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:h:schneider-electric:ion5000:-:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:ion7300:-:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:ion7500:-:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:ion7600:-:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:ion8650:-:*:*:*:*:*:*:*
cpe:2.3:h:schneider-electric:ion8800:-:*:*:*:*:*:*:*

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