What is CVE-2021-1298?

CVE-2021-1298 is a high-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2021-01-20.

How severe is CVE-2021-1298?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Cisco Catalyst Sd-Wan Manager

CVE-2021-1298

Multiple vulnerabilities in Cisco SD-WAN products could allow an authenticated attacker to perform command injection attacks against an affected device, which could allow the attacker to take certain actions with root privileges on the device. For more information about these vulnerabilities, see the Details section of this advisory.

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

Published 2021-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (82.0th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.022 · change: -0.002

Affected products

Weakness classification (CWE)

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-cm… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1298?: CVE-2021-1298 is a high-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2021-01-20.
How severe is CVE-2021-1298?: High severity. CVSS v3 base score is 8.8 out of 10.