Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-3147

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
30/01/2020
Last modified:
01/02/2020

Description

A vulnerability in the web UI of Cisco Small Business Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper validation of requests sent to the web interface. An attacker could exploit this vulnerability by sending a malicious request to the web interface of an affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a DoS condition. This vulnerability affects firmware releases prior than 1.3.7.18

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:sg200-50_firmware:*:*:*:*:*:*:*:* 1.3.7.18 (excluding)
cpe:2.3:h:cisco:sg200-50:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg200-50p_firmware:*:*:*:*:*:*:*:* 1.3.7.18 (excluding)
cpe:2.3:h:cisco:sg200-50p:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg200-50fp_firmware:*:*:*:*:*:*:*:* 1.3.7.18 (excluding)
cpe:2.3:h:cisco:sg200-50fp:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg200-26_firmware:*:*:*:*:*:*:*:* 1.3.7.18 (excluding)
cpe:2.3:h:cisco:sg200-26:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg200-26p_firmware:*:*:*:*:*:*:*:* 1.3.7.18 (excluding)
cpe:2.3:h:cisco:sg200-26p:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg200-26fp_firmware:*:*:*:*:*:*:*:* 1.3.7.18 (excluding)
cpe:2.3:h:cisco:sg200-26fp:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg200-18_firmware:*:*:*:*:*:*:*:* 1.3.7.18 (excluding)
cpe:2.3:h:cisco:sg200-18:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:sg200-10fp_firmware:*:*:*:*:*:*:*:* 1.3.7.18 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools