How severe is CVE-2017-9962?

CVE-2017-9962 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-9962 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9962?

CVE-2017-9962 affects Aveva Clearscada. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9962?

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-2017-9962 published?

CVE-2017-9962 was published on 2017-09-26 and last updated on 2026-06-17.

CVE-2017-9962

CVE-2017-9962 is a high-severity vulnerability in Aveva Clearscada with a CVSS 3.x base score of 7.5. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Aveva Clearscada
Published: 2017-09-26
Last modified: 2026-06-17

Description

Schneider Electric's ClearSCADA versions released prior to August 2017 are susceptible to a memory allocation vulnerability, whereby malformed requests can be sent to ClearSCADA client applications to cause unexpected behavior. Client applications affected include ViewX and the Server Icon.

Frequently asked questions

What is CVE-2017-9962?: Schneider Electric's ClearSCADA versions released prior to August 2017 are susceptible to a memory allocation vulnerability, whereby malformed requests can be sent to ClearSCADA client applications to cause unexpected behavior. Client applications affected include ViewX and the Server Icon.
How severe is CVE-2017-9962?: CVE-2017-9962 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-9962 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9962?: CVE-2017-9962 affects Aveva Clearscada. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9962?: 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-2017-9962 published?: CVE-2017-9962 was published on 2017-09-26 and last updated on 2026-06-17.

References

http://www.schneider-electric.com/en/download/document/SEVD-2017-264-01/

Affected products (1)

cpe:2.3:a:aveva:clearscada:*:*:*:*:*:*:*:*

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