Buffer overflow in Cisco 1120 Connected Grid Router

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) 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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.007 (51.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3257?
CVE-2020-3257 is a high-severity vulnerability in Cisco 1120 Connected Grid Router, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2020-06-03.
How severe is CVE-2020-3257?
High severity. CVSS v3 base score is 8.1 out of 10.