What is CVE-2021-34703?

CVE-2021-34703 is a medium-severity vulnerability in Cisco Ios, classified under CWE-456. CVSS score: 6.8/10. Published 2021-09-23.

How severe is CVE-2021-34703?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Cisco Ios

CVE-2021-34703

A vulnerability in the Link Layer Discovery Protocol (LLDP) message parser of Cisco IOS Software and Cisco IOS XE Software could allow an attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition…

EPSS: 0.002 (47.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios — versions n/a

Weakness classification (CWE)

CWE-456

References

20210922 Cisco IOS and IOS XE Software Link Layer Discovery Protocol Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2021-34703?: CVE-2021-34703 is a medium-severity vulnerability in Cisco Ios, classified under CWE-456. CVSS score: 6.8/10. Published 2021-09-23.
How severe is CVE-2021-34703?: Medium severity. CVSS v3 base score is 6.8 out of 10.