How severe is CVE-2012-5864?

CVE-2012-5864 has a CVSS 2.0 base score of 9.4, rated critical severity.

Is CVE-2012-5864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5864?

CVE-2012-5864 primarily affects Sinapsitech Sinapsi Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5864?

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-2012-5864 published?

CVE-2012-5864 was published on 2012-11-23 and last updated on 2026-06-16.

CVE-2012-5864

CVE-2012-5864 is a critical-severity vulnerability in Sinapsitech Sinapsi Firmware with a CVSS 2.0 base score of 9.4. 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-287.

Key facts

Severity: Critical (CVSS 2.0 base score 9.4)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Sinapsitech Sinapsi Firmware
Published: 2012-11-23
Last modified: 2026-06-16

Description

These Sinapsi devices do not check if users that visit pages within the device have properly authenticated. By directly visiting the pages within the device, attackers can gain unauthorized access with administrative privileges.

Frequently asked questions

What is CVE-2012-5864?: These Sinapsi devices do not check if users that visit pages within the device have properly authenticated. By directly visiting the pages within the device, attackers can gain unauthorized access with administrative privileges.
How severe is CVE-2012-5864?: CVE-2012-5864 has a CVSS 2.0 base score of 9.4, rated critical severity.
Is CVE-2012-5864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5864?: CVE-2012-5864 primarily affects Sinapsitech Sinapsi Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5864?: 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-2012-5864 published?: CVE-2012-5864 was published on 2012-11-23 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:o:sinapsitech:sinapsi_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:sinapsitech:esolar_duo_photovoltaic_system_monitor:-:*:*:*:*:*:*:*
cpe:2.3:h:sinapsitech:esolar_light_photovoltaic_system_monitor:-:*:*:*:*:*:*:*
cpe:2.3:h:sinapsitech:esolar_photovoltaic_system_monitor:-:*:*:*:*:*:*:*

More vulnerabilities in Sinapsitech Sinapsi Firmware

CVE-2012-5863 — Critical (CVSS 10.0): These Sinapsi devices do not check for special elements in commands sent to the system. By accessing certain pages…
CVE-2012-5862 — Critical (CVSS 10.0): These Sinapsi devices store hard-coded passwords in the PHP file of the device. By using the hard-coded passwords in…
CVE-2012-5861 — High (CVSS 7.8): These Sinapsi devices do not check the validity of the data before executing queries. By accessing the SQL table of…

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
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