Vulnerability in Cisco iOS Xr Software

CVE-2021-1288

Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.020 (79.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-1288: held from 0.020 to 0.020.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-1288?
CVE-2021-1288 is a high-severity vulnerability in Cisco iOS Xr Software, classified under CWE-399. CVSS score: 8.6/10. Published 2021-02-04.
How severe is CVE-2021-1288?
High severity. CVSS v3 base score is 8.6 out of 10.