How severe is CVE-2017-2864?

CVE-2017-2864 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-2864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2864?

CVE-2017-2864 affects Meetcircle Circle With Disney Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2864?

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-2017-2864 published?

CVE-2017-2864 was published on 2017-11-07 and last updated on 2026-06-17.

CVE-2017-2864

CVE-2017-2864 is a critical-severity vulnerability in Meetcircle Circle With Disney Firmware with a CVSS 3.x base score of 9.8. 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 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Meetcircle Circle With Disney Firmware
Published: 2017-11-07
Last modified: 2026-06-17

Description

An exploitable vulnerability exists in the generation of authentication token functionality of Circle with Disney. Specially crafted network packets can cause a valid authentication token to be returned to the attacker resulting in authentication bypass. An attacker can send a series of packets to trigger this vulnerability.

Frequently asked questions

What is CVE-2017-2864?: An exploitable vulnerability exists in the generation of authentication token functionality of Circle with Disney. Specially crafted network packets can cause a valid authentication token to be returned to the attacker resulting in authentication bypass. An attacker can send a series of packets to trigger this vulnerability.
How severe is CVE-2017-2864?: CVE-2017-2864 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-2864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2864?: CVE-2017-2864 affects Meetcircle Circle With Disney Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2864?: 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-2017-2864 published?: CVE-2017-2864 was published on 2017-11-07 and last updated on 2026-06-17.

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0370

Affected products (1)

cpe:2.3:o:meetcircle:circle_with_disney_firmware:2.0.1:*:*:*:*:*:*:*

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CVE-2017-2917 — High (CVSS 8.8): An exploitable vulnerability exists in the notifications functionality of Circle with Disney running firmware 2.0.1.…
CVE-2017-2916 — High (CVSS 8.8): An exploitable vulnerability exists in the /api/CONFIG/restore functionality of Circle with Disney running firmware…
CVE-2017-2890 — High (CVSS 8.8): An exploitable vulnerability exists in the /api/CONFIG/restore functionality of Circle with Disney running firmware…
CVE-2017-2881 — High (CVSS 8.8): An exploitable vulnerability exists in the torlist update functionality of Circle with Disney running firmware 2.0.1.…
CVE-2017-2866 — High (CVSS 8.8): An exploitable vulnerability exists in the /api/CONFIG/backup functionality of Circle with Disney. Specially crafted…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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