CVE-2020-3258 : Multiple vulnerabilities in Cisco IOS Software for Cisco 809 and 829 Industrial

Multiple vulnerabilities in Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an unauthenticated, remote attacker or an authenticated, local attacker to execute arbitrary code on an affected system or cause an affected system to crash and reload. For more information about these vulnerabilities, see the Details section of this advisory.

Published 2020-06-03 18:15:22

Updated 2021-10-26 16:30:20

Source Cisco Systems, Inc.

View at NVD, CVE.org

Vulnerability category: OverflowExecute code

Products affected by CVE-2020-3258

Cisco » IOS » Version: 15.8(3)m2
cpe:2.3:o:cisco:ios:15.8\(3\)m2:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » 1120 » Version: N/A
When used together with: Cisco » 1240 » Version: N/A
When used together with: Cisco » Ir809g-lte-ga-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-la-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-na-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-vz-k9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-ak9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-bk9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-ek9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-ck9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-ek9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-sk9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-zk9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-na-ak9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-vz-ak9 » Version: N/A
Cisco » IOS » Version: 15.9
cpe:2.3:o:cisco:ios:15.9:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » 1120 » Version: N/A
When used together with: Cisco » 1240 » Version: N/A
When used together with: Cisco » Ir809g-lte-ga-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-la-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-na-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-vz-k9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-ak9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-bk9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-ek9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-ck9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-ek9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-sk9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-zk9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-na-ak9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-vz-ak9 » Version: N/A
Cisco » IOS » Version: 15.8(9)
cpe:2.3:o:cisco:ios:15.8\(9\):*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » 1120 » Version: N/A
When used together with: Cisco » 1240 » Version: N/A
When used together with: Cisco » Ir809g-lte-ga-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-la-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-na-k9 » Version: N/A
When used together with: Cisco » Ir809g-lte-vz-k9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-ak9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-bk9 » Version: N/A
When used together with: Cisco » Ir829-2lte-ea-ek9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-ck9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-ek9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-sk9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-ga-zk9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-na-ak9 » Version: N/A
When used together with: Cisco » Ir829gw-lte-vz-ak9 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-3258

EPSS FAQ

0.37%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 72 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-3258

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	10.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	Cisco Systems, Inc.
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-3258

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Assigned by: ykramarz@cisco.com (Secondary)

References for CVE-2020-3258

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-iot-rce-xYRSeMNH

Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities
Patch;Vendor Advisory

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Vulnerability Details : CVE-2020-3258

Products affected by CVE-2020-3258

Exploit prediction scoring system (EPSS) score for CVE-2020-3258

CVSS scores for CVE-2020-3258

CWE ids for CVE-2020-3258

References for CVE-2020-3258