VulnerabilityAnalyzed
CVE-2021-20556
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames.
MEDIUM 5.3EPSS 0.46%
Does this matter?
Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own.
Description
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames. IBM X-Force ID: 199181.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.46% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-204, CWE-203
- Affected
- ibm/cognos controller
- Source
- psirt@us.ibm.com
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/199181Vendor Advisory
- https://www.ibm.com/support/pages/node/7149876Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/199181Vendor Advisory
- https://www.ibm.com/support/pages/node/7149876Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.