What is CVE-2020-3511?

CVE-2020-3511 is a high-severity vulnerability in Cisco Ios, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2020-09-24.

How severe is CVE-2020-3511?

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

Improper input validation in Cisco Ios

CVE-2020-3511

A vulnerability in the ISDN subsystem of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerab…

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

EPSS: 0.001 (27.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

20200924 Cisco IOS and IOS XE Software ISDN Q.931 Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2020-3511?: CVE-2020-3511 is a high-severity vulnerability in Cisco Ios, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2020-09-24.
How severe is CVE-2020-3511?: High severity. CVSS v3 base score is 7.4 out of 10.