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CVE-2017-6021

In Schneider Electric ClearSCADA 2014 R1 (build 75.5210) and prior, 2014 R1.1 (build 75.5387) and prior, 2015 R1 (build 76.5648) and…

High7.5EPSS 1.6%
Published
Updated
Reserved
Assigned by
icscert

Description

In Schneider Electric ClearSCADA 2014 R1 (build 75.5210) and prior, 2014 R1.1 (build 75.5387) and prior, 2015 R1 (build 76.5648) and prior, and 2015 R2 (build 77.5882) and prior, an attacker with network access to the ClearSCADA server can send specially crafted sequences of commands and data packets to the ClearSCADA server that can cause the ClearSCADA server process and ClearSCADA communications driver processes to terminate. A CVSS v3 base score of 7.5 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Scores

CVSS scores of CVE-2017-6021, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0High7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
1.6% · top 24% of all CVEs (4 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • Schneider Electric SE · ClearSCADA

    • affected 2014 R1 (build 75.5210) and prior
    • affected 2014 R1.1 (build 75.5387) and prior
    • affected 2015 R1 (build 76.5648) and prior
    • affected 2015 R2 (build 77.5882) and prior

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .