How severe is CVE-2020-7509?

CVE-2020-7509 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-7509 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7509?

CVE-2020-7509 affects Schneider-electric Easergy T300 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7509?

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-2020-7509 published?

CVE-2020-7509 was published on 2020-06-16 and last updated on 2026-06-17.

CVE-2020-7509

CVE-2020-7509 is a high-severity vulnerability in Schneider-electric Easergy T300 Firmware with a CVSS 3.x base score of 7.2. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Schneider-electric Easergy T300 Firmware
Published: 2020-06-16
Last modified: 2026-06-17

Description

A CWE-269: Improper privilege management (write) vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to elevate their privileges and delete files.

Frequently asked questions

What is CVE-2020-7509?: A CWE-269: Improper privilege management (write) vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older) which could allow an attacker to elevate their privileges and delete files.
How severe is CVE-2020-7509?: CVE-2020-7509 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-7509 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7509?: CVE-2020-7509 affects Schneider-electric Easergy T300 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7509?: 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-2020-7509 published?: CVE-2020-7509 was published on 2020-06-16 and last updated on 2026-06-17.

References

https://www.se.com/ww/en/download/document/SEVD-2020-161-04

Affected products (1)

cpe:2.3:o:schneider-electric:easergy_t300_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Easergy T300 Firmware

CVE-2020-28215 — Critical (CVSS 9.8): A CWE-862: Missing Authorization vulnerability exists in Easergy T300 (firmware 2.7 and older), that could cause a wide…
CVE-2020-7561 — Critical (CVSS 9.8): A CWE-306: Missing Authentication for Critical Function vulnerability exists in Easergy T300 (with firmware 2.7 and…
CVE-2020-7512 — Critical (CVSS 9.8): A CWE-1103: Use of Platform-Dependent Third Party Components with vulnerabilities vulnerability exists in Easergy T300…
CVE-2020-7508 — Critical (CVSS 9.8): A CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists in Easergy T300 (Firmware…
CVE-2020-25176 — Critical (CVSS 9.1): Some commands used by the Rockwell Automation ISaGRAF Runtime Versions 4.x and 5.x eXchange Layer (IXL) protocol…
CVE-2020-7503 — High (CVSS 8.8): A CWE-352: Cross-Site Request Forgery (CSRF) vulnerability exists in Easergy T300 (Firmware version 1.5.2 and older)…

All CVEs affecting Schneider-electric Easergy T300 Firmware →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →