CVE-2020-4876 json
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data.
published 2022-01-21 4 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26123
- cvss
- 7.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 190839.
Exploit prediction
1.73% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.1 | CVSS:3.0/C:H/A:L/PR:L/S:U/I:N/AC:L/AV:N/UI:N/RC:C/RL:O/E:U |
| NVD | 3.1 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L |
| CNA | 3.0 | 7.1 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:P/I:N/A:P |
Affected products
- IBM Cognos Controller
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
ibm.com
/support/pages/node/6509856
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/190839
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4876
- NVD CVE-2020-4876
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