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HIGH · 8.1

CVE-2020-3257

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) t...

Vulnerability 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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CiscoIos15.8\(3.0z\)m1
Cisco1120 Connected Grid Router-
Cisco1240 Connected Grid Router-
CiscoIr809G-Lte-Ga-K9-
CiscoIr809G-Lte-La-K9-
CiscoIr809G-Lte-Na-K9-
CiscoIr809G-Lte-Vz-K9-
CiscoIr829-2Lte-Ea-Ak9-
CiscoIr829-2Lte-Ea-Bk9-
CiscoIr829-2Lte-Ea-Ek9-
CiscoIr829Gw-Lte-Ga-Ck9-
CiscoIr829Gw-Lte-Ga-Ek9-
CiscoIr829Gw-Lte-Ga-Sk9-
CiscoIr829Gw-Lte-Ga-Zk9-
CiscoIr829Gw-Lte-Na-Ak9-
CiscoIr829Gw-Lte-Vz-Ak9-

Related Weaknesses (CWE)

CWE-20CWE-119

References

FAQ

What is CVE-2020-3257?

CVE-2020-3257 is a vulnerability with a CVSS score of 8.1 (HIGH). 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) t...

How severe is CVE-2020-3257?

CVE-2020-3257 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3257?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios, Cisco 1120 Connected Grid Router, Cisco 1240 Connected Grid Router, Cisco Ir809G-Lte-Ga-K9, Cisco Ir809G-Lte-La-K9.