What is the CVSS score of CVE-2016-4863?

CVE-2016-4863 has a CVSS 3.0 base score of 4.3 (Medium). CVSS vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.1%.

Flashair CVE-2016-4863

MEDIUM

Improper Authentication (CWE-287)

2017-05-22 vultures@jpcert.or.jp

Authentication Bypass Flashair

4.3

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

May 22, 2017 - 16:29 cve.org

MEDIUM 4.3

DescriptionCVE.org

The Toshiba FlashAir SD-WD/WC series Class 6 model with firmware version 1.00.04 and later, FlashAir SD-WD/WC series Class 10 model W-02 with firmware version 2.00.02 and later, FlashAir SD-WE series Class 10 model W-03, FlashAir Class 6 model with firmware version 1.00.04 and later, FlashAir II Class 10 model W-02 series with firmware version 2.00.02 and later, FlashAir III Class 10 model W-03 series, FlashAir Class 6 model with firmware version 1.00.04 and later, FlashAir W-02 series Class 10 model with firmware version 2.00.02 and later, FlashAir W-03 series Class 10 model does not require authentication on accepting a connection from STA side LAN when "Internet pass-thru Mode" is enabled, which allows attackers with access to STA side LAN can obtain files or data.

AnalysisAI

The Toshiba FlashAir SD-WD/WC series Class 6 model with firmware version 1.00.04 and later, FlashAir SD-WD/WC series Class 10 model W-02 with firmware version 2.00.02 and later, FlashAir SD-WE series. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. The Toshiba FlashAir SD-WD/WC series Class 6 model with firmware version 1.00.04 and later, FlashAir SD-WD/WC series Class 10 model W-02 with firmware version 2.00.02 and later, FlashAir SD-WE series Class 10 model W-03, FlashAir Class 6 model with firmware version 1.00.04 and later, FlashAir II Class 10 model W-02 series with firmware version 2.00.02 and later, FlashAir III Class 10 model W-03 series, FlashAir Class 6 model with firmware version 1.00.04 and later, FlashAir W-02 series Class 10 model with firmware version 2.00.02 and later, FlashAir W-03 series Class 10 model does not require authentication on accepting a connection from STA side LAN when "Internet pass-thru Mode" is enabled, which allows attackers with access to STA side LAN can obtain files or data. Affected products include: Toshiba Flashair. Version information: version 1.00.04.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.