Vulnerability Report

CVE-2021-20455

Title: Ibm Cognos Controller Information Disclosure

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2021-20455.

CWE Category CWE-209

Published Date Jan 07, 2025

Modified Date Jul 03, 2025

Exploit Status Not Found

Score 3.7 CVSS v3.1

Exploit Probability (EPSS)

0.47%

Vulnerability Summary

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.

Impacted Vendors

ibm 2

aviatrix 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity LOW

3.7

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-20455 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

July 03, 2025 MODIFIED

Vulnerability data or affected products updated.

July 03, 2025 MODIFIED

Vulnerability data updated via NVD.

January 07, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity HIGH

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.