How severe is CVE-2017-7971?

CVE-2017-7971 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-7971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7971?

CVE-2017-7971 primarily affects Schneider-electric Powerscada Anywhere. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7971?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-7971 published?

CVE-2017-7971 was published on 2017-09-26 and last updated on 2026-06-17.

CVE-2017-7971

CVE-2017-7971 is a medium-severity vulnerability in Schneider-electric Powerscada Anywhere with a CVSS 3.x base score of 6.5. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Schneider-electric Powerscada Anywhere
Published: 2017-09-26
Last modified: 2026-06-17

Description

A vulnerability exists in Schneider Electric's PowerSCADA Anywhere v1.0 redistributed with PowerSCADA Expert v8.1 and PowerSCADA Expert v8.2 and Citect Anywhere version 1.0 that allows the use of outdated cipher suites and improper verification of peer SSL Certificate.

Frequently asked questions

What is CVE-2017-7971?: A vulnerability exists in Schneider Electric's PowerSCADA Anywhere v1.0 redistributed with PowerSCADA Expert v8.1 and PowerSCADA Expert v8.2 and Citect Anywhere version 1.0 that allows the use of outdated cipher suites and improper verification of peer SSL Certificate.
How severe is CVE-2017-7971?: CVE-2017-7971 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-7971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7971?: CVE-2017-7971 primarily affects Schneider-electric Powerscada Anywhere. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7971?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-7971 published?: CVE-2017-7971 was published on 2017-09-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:schneider-electric:powerscada_anywhere:1.0:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:citect_anywhere:1.0:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Powerscada Anywhere

CVE-2017-7969 — High (CVSS 8.8): A cross-site request forgery vulnerability exists on the Secure Gateway component of Schneider Electric's PowerSCADA…
CVE-2017-9963 — High (CVSS 8.1): A cross-site request forgery vulnerability exists on the Secure Gateway component of Schneider Electric's PowerSCADA…
CVE-2017-7970 — Medium (CVSS 6.5): A vulnerability exists in Schneider Electric's PowerSCADA Anywhere v1.0 redistributed with PowerSCADA Expert v8.1 and…
CVE-2017-7972 — Medium (CVSS 5.5): A vulnerability exists in Schneider Electric's PowerSCADA Anywhere v1.0 redistributed with PowerSCADA Expert v8.1 and…

All CVEs affecting Schneider-electric Powerscada Anywhere →

Other CWE-295 (Improper Certificate Validation) vulnerabilities

CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…

Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →