CVE-2021-20455

3.7 lowEPSS 0.5%

Low (3.7) in ibm. EPSS 0.5% chance of exploitation in the next 30 days.

IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system.

Severity

CVSS 3.1

3.7 low

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-209
Published: 2025-01-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ibm:cognos_controller
ibm:controller

References

https://www.ibm.com/support/pages/node/7179163

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