What is CVE-2021-34714?

CVE-2021-34714 is a high-severity vulnerability in Cisco Ios, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2021-09-23.

How severe is CVE-2021-34714?

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

Improper input validation in Cisco Ios

CVE-2021-34714

A vulnerability in the Unidirectional Link Detection (UDLD) feature of Cisco FXOS Software, Cisco IOS Software, Cisco IOS XE Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cau…

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

EPSS: 0.004 (32.8th 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

Cisco Ios — versions n/a
Cisco Firepower_4100
Cisco Firepower_4110
Cisco Firepower_4112
Cisco Firepower_4115
Cisco Firepower_4120
Cisco Firepower_4125
Cisco Firepower_4140
Cisco Firepower_4145
Cisco Firepower_4150

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2021-34714?: CVE-2021-34714 is a high-severity vulnerability in Cisco Ios, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2021-09-23.
How severe is CVE-2021-34714?: High severity. CVSS v3 base score is 7.4 out of 10.