What is CVE-2021-1474?

CVE-2021-1474 is a medium-severity vulnerability in Cisco Umbrella Insights Virtual Appliance, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 6.5/10. Published 2021-04-08.

How severe is CVE-2021-1474?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Cisco Umbrella Insights Virtual Appliance

CVE-2021-1474

Multiple vulnerabilities in the Admin audit log export feature and Scheduled Reports feature of Cisco Umbrella could allow an authenticated, remote attacker to perform formula and link injection attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Published 2021-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.007 (53.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

References

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

Frequently asked questions

What is CVE-2021-1474?: CVE-2021-1474 is a medium-severity vulnerability in Cisco Umbrella Insights Virtual Appliance, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 6.5/10. Published 2021-04-08.
How severe is CVE-2021-1474?: Medium severity. CVSS v3 base score is 6.5 out of 10.