CVE-2021-20455

LOW
Published Jan 7, 2025 Modified Jul 3, 2025 CWE-209

Description

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.

CVSS v3.1 Score

3.7
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-209 CWE-209

Affected Products

Vendor Product
ibm cognos_controller
ibm controller
microsoft windows

References

Frequently Asked Questions

What is CVE-2021-20455? +
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. It has a CVSS v3.1 base score of 3.7 (LOW).
How severe is CVE-2021-20455? +
CVE-2021-20455 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.
What products are affected by CVE-2021-20455? +
CVE-2021-20455 affects products from ibm, microsoft, specifically: cognos_controller, controller, windows. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2021-20455? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

Don't wait for an exploit

Scan your website for vulnerabilities like CVE-2021-20455 — free, no signup required.

Start Free Scan