CVE-2021-20455 json
IBM Cognos Controller information disclosure
published 2025-01-07 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2021-7873
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 22 mo ago
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- IBM Controller
- IBM Cognos Controller
Classification
- Weakness
-
- CWE-209 Generation of Error Message Containing Sensitive Information
References
-
ibm.com
/support/pages/node/7179163
vendor-advisory
Sources
- CVE List CVE-2021-20455
- NVD CVE-2021-20455
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