Vulnerability Name:

CVE-2020-3257 (CCN-182898)

Assigned:2019-12-12
Published:2020-06-03
Updated:2021-10-19
Summary: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.
CVSS v3 Severity:8.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H)
7.1 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.8 Medium (CVSS v2 Vector: AV:A/AC:L/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-3257

Source: XF
Type: UNKNOWN
cisco-cve20203257-code-exec(182898)

Source: CCN
Type: Cisco Security Advisory cisco-sa-ios-iot-gos-vuln-s9qS8kYL
Cisco IOx Application Environment for IOS Software for Cisco Industrial Routers Vulnerabilities

Source: CISCO
Type: Patch, Vendor Advisory
20200603 Cisco IOx Application Environment for IOS Software for Cisco Industrial Routers Vulnerabilities

Vulnerable Configuration:Configuration 1:
  • cpe:/o:cisco:ios:15.8(3.0z)m1:*:*:*:*:*:*:*
  • OR cpe:/o:cisco:ios:15.9:*:*:*:*:*:*:*
  • AND
  • cpe:/h:cisco:1120_connected_grid_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:1240_connected_grid_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir809g-lte-ga-k9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir809g-lte-la-k9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir809g-lte-na-k9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir809g-lte-vz-k9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829-2lte-ea-ak9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829-2lte-ea-bk9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829-2lte-ea-ek9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829gw-lte-ga-ck9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829gw-lte-ga-ek9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829gw-lte-ga-sk9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829gw-lte-ga-zk9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829gw-lte-na-ak9:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:ir829gw-lte-vz-ak9:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:cisco:ios_software:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:809_industrial_integrated_services_router:-:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:829_industrial_integrated_services_router:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    cisco ios 15.8(3.0z)m1
    cisco ios 15.9
    cisco 1120 connected grid router -
    cisco 1240 connected grid router -
    cisco ir809g-lte-ga-k9 -
    cisco ir809g-lte-la-k9 -
    cisco ir809g-lte-na-k9 -
    cisco ir809g-lte-vz-k9 -
    cisco ir829-2lte-ea-ak9 -
    cisco ir829-2lte-ea-bk9 -
    cisco ir829-2lte-ea-ek9 -
    cisco ir829gw-lte-ga-ck9 -
    cisco ir829gw-lte-ga-ek9 -
    cisco ir829gw-lte-ga-sk9 -
    cisco ir829gw-lte-ga-zk9 -
    cisco ir829gw-lte-na-ak9 -
    cisco ir829gw-lte-vz-ak9 -
    cisco ios software *
    cisco 809 industrial integrated services router -
    cisco 829 industrial integrated services router -