What is CVE-2021-34720?

CVE-2021-34720 is a high-severity vulnerability in Cisco Ios Xr Software, classified under CWE-771. CVSS score: 8.6/10. Published 2021-09-09.

How severe is CVE-2021-34720?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Cisco Ios Xr Software

CVE-2021-34720

A vulnerability in the IP Service Level Agreements (IP SLA) responder and Two-Way Active Measurement Protocol (TWAMP) features of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause device packet memory to become…

EPSS: 0.004 (59.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios Xr Software — versions n/a

Weakness classification (CWE)

CWE-771

References

20210908 Cisco IOS XR Software IP Service Level Agreements and Two-Way Active Measurement Protocol Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2021-34720?: CVE-2021-34720 is a high-severity vulnerability in Cisco Ios Xr Software, classified under CWE-771. CVSS score: 8.6/10. Published 2021-09-09.
How severe is CVE-2021-34720?: High severity. CVSS v3 base score is 8.6 out of 10.