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CVE-2020-3257

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
03/06/2020
Last modified:
19/10/2021

Description

Multiple vulnerabilities in the Cisco IOx application environment of Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) that are running Cisco IOS Software could allow an attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Impact

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

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

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

Base Score 3.x
8.10
Severity 3.x
HIGH
Vector 2.0
AV:A/AC:L/Au:N/C:N/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.80 MEDIUM
Vector: AV:A/AC:L/Au:N/C:N/I:P/A:P

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

Base Score 2.0
4.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:15.8\(3.0z\)m1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:15.9:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1120_connected_grid_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:1240_connected_grid_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir809g-lte-ga-k9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir809g-lte-la-k9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir809g-lte-na-k9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir809g-lte-vz-k9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir829-2lte-ea-ak9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir829-2lte-ea-bk9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir829-2lte-ea-ek9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir829gw-lte-ga-ck9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir829gw-lte-ga-ek9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir829gw-lte-ga-sk9:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ir829gw-lte-ga-zk9:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools