How severe is CVE-2015-3964?

CVE-2015-3964 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2015-3964 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3964?

CVE-2015-3964 affects Sma Solar Technology Ag Webbox Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3964?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-3964 published?

CVE-2015-3964 was published on 2015-09-11 and last updated on 2026-06-17.

CVE-2015-3964

CVE-2015-3964 is a critical-severity vulnerability in Sma Solar Technology Ag Webbox Firmware with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sma Solar Technology Ag Webbox Firmware
Published: 2015-09-11
Last modified: 2026-06-17

Description

SMA Solar Sunny WebBox has hardcoded passwords, which makes it easier for remote attackers to obtain access via unspecified vectors.

Frequently asked questions

What is CVE-2015-3964?: SMA Solar Sunny WebBox has hardcoded passwords, which makes it easier for remote attackers to obtain access via unspecified vectors.
How severe is CVE-2015-3964?: CVE-2015-3964 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2015-3964 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3964?: CVE-2015-3964 affects Sma Solar Technology Ag Webbox Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3964?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-3964 published?: CVE-2015-3964 was published on 2015-09-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:sma_solar_technology_ag:webbox_firmware:-:*:*:*:*:*:*:*