What is CVE-2020-3465?

CVE-2020-3465 is a high-severity vulnerability in Cisco 1100-4p, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2020-09-24.

How severe is CVE-2020-3465?

High severity. CVSS v3 base score is 7.4 out of 10.

Is CVE-2020-3465 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Cisco 1100-4p

CVE-2020-3465

A vulnerability in Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a device to reload. The vulnerability is due to incorrect handling of certain valid, but not typical, Ethernet frames. An attacker could exploit this vulnerability by sending the Ethernet frames onto the Ethernet segment. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.

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

EPSS: 0.007 (49.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

n0-traces/cve_

References

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

Frequently asked questions

What is CVE-2020-3465?: CVE-2020-3465 is a high-severity vulnerability in Cisco 1100-4p, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2020-09-24.
How severe is CVE-2020-3465?: High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2020-3465 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.