How severe is CVE-2020-7525?

CVE-2020-7525 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 high, integrity none, and availability none.

Is CVE-2020-7525 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7525?

CVE-2020-7525 primarily affects Schneider-electric Spacelynk Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-7525?

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-2020-7525 published?

CVE-2020-7525 was published on 2020-08-31 and last updated on 2026-06-17.

CVE-2020-7525

CVE-2020-7525 is a high-severity vulnerability in Schneider-electric Spacelynk Firmware 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-307.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Schneider-electric Spacelynk Firmware
Published: 2020-08-31
Last modified: 2026-06-17

Description

Improper Restriction of Excessive Authentication Attempts vulnerability exists in all hardware versions of spaceLYnk and Wiser for KNX (formerly homeLYnk) which could allow an attacker to guess a password when brute force is used.

Frequently asked questions

What is CVE-2020-7525?: Improper Restriction of Excessive Authentication Attempts vulnerability exists in all hardware versions of spaceLYnk and Wiser for KNX (formerly homeLYnk) which could allow an attacker to guess a password when brute force is used.
How severe is CVE-2020-7525?: CVE-2020-7525 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 high, integrity none, and availability none.
Is CVE-2020-7525 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7525?: CVE-2020-7525 primarily affects Schneider-electric Spacelynk Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-7525?: 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-2020-7525 published?: CVE-2020-7525 was published on 2020-08-31 and last updated on 2026-06-17.

References

https://www.se.com/ww/en/download/document/SEVD-2020-224-02/

Affected products (2)

cpe:2.3:o:schneider-electric:spacelynk_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:wiser_for_knx_firmware:*:*:*:*:*:*:*:*

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