What is CVE-2020-4302?

CVE-2020-4302 is a high-severity vulnerability in IBM Cognos Analytics, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 7.8/10. Published 2020-10-12.

How severe is CVE-2020-4302?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in IBM Cognos Analytics

CVE-2020-4302

IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to execute arbitrary code on the system, caused by a CSV injection. By persuading a victim to open a specially-crafted excel file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 176610.

Published 2020-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (77.3th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

IBM Cognos Analytics — versions 11.0, 11.1
IBM Cognos Analytics — versions 11.0.13

Weakness classification (CWE)

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

References

www.ibm.com/support/pages/node/6346922 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/176610 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4302?: CVE-2020-4302 is a high-severity vulnerability in IBM Cognos Analytics, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 7.8/10. Published 2020-10-12.
How severe is CVE-2020-4302?: High severity. CVSS v3 base score is 7.8 out of 10.