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

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CVE-2019-1943

Severity CVSS v4.0:
Pending analysis
Type:
CWE-601 URL Redirection to Untrusted Site ('Open Redirect')
Publication date:
17/07/2019
Last modified:
09/10/2019

Description

A vulnerability in the web interface of Cisco Small Business 200, 300, and 500 Series Switches software could allow an unauthenticated, remote attacker to redirect a user to a malicious web page. The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by intercepting a user's HTTP request and modifying it into a request that causes the web interface to redirect the user to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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

Base Score 3.x
6.10
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

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

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


References to Advisories, Solutions, and Tools