PT-2024-10873 · Ibm · Ibm Cognos Controller

Published 2024-05-03 · Updated 2025-01-07 · CVE-2021-20556

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions IBM Cognos Controller versions 10.4.1 through 11.0.0

Description The issue allows a remote user to enumerate usernames due to differentiating error messages on existing usernames.

Recommendations For versions 10.4.1 through 11.0.0, update to a version that includes a fix for this issue to prevent username enumeration. As a temporary workaround, consider restricting access to error messages for existing usernames until a patch is available.

Fix

Side Channel Attack

Weakness Enumeration

CWE-204

CWE-203

Related Identifiers

CVE-2021-20556

Affected Products

Ibm Cognos Controller

References · 7

• https://osv.dev/vulnerability/CVE-2021-20556 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-20556 · Security Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/199181 · Vendor Advisory
• https://ibm.com/support/pages/node/7149876 · Vendor Advisory
• https://t.me/cvenotify/79085 · Telegram Post
• https://twitter.com/CVEnew/status/1786770959321407539 · Twitter Post
• https://twitter.com/linuxpatch/status/1786472262121431074 · Twitter Post