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

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CVE-2019-1757

Severity CVSS v4.0:
Pending analysis
Type:
CWE-295 Improper Certificate Validation
Publication date:
28/03/2019
Last modified:
04/03/2024

Description

A vulnerability in the Cisco Smart Call Home feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software.

Impact

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

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

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

Base Score 3.x
5.90
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

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

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:2.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(6\)i1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(25e\)jap1m:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(25e\)jap2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(25e\)jap26:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(25e\)jaz1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(2\)sg8a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(3\)svg3d:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(3\)svi1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(3\)svm3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(3\)svn2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(3\)svo1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(3\)svo2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(3\)svp1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.1\(4\)m12c:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools