CVE-2020-4520
IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code...
IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code that when viewed by the authenticated victim would execute the code. IBM X-Force ID: 182395.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code that when viewed by the authenticated victim would execute the code. IBM X-Force ID: 182395.
- Record
CVE-2020-4520- CVSS 3.0
- 7.1 High
CVSS:3.0/C:H/PR:L/S:U/I:H/UI:R/AV:N/AC:H/A:H/RC:C/E:U/RL:O - Updated
- 2026-11-02
EUVDEUVD-2020-25767
IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code that when viewed by the authenticated victim would execute the code. IBM X-Force ID: 182395.
- Record
EUVD-2020-25767- CVSS 3.0
- 7.1 High
CVSS:3.0/C:H/PR:L/S:U/I:H/UI:R/AV:N/AC:H/A:H/RC:C/E:U/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wxh8-g87c-56gx
IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code...
IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code that when viewed by the authenticated victim would execute the code. IBM X-Force ID: 182395.
- Record
GHSA-wxh8-g87c-56gx- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to inject malicious HTML code that when viewed by the authenticated victim would execute the code. IBM X-Force ID: 182395.
- Record
CVE-2020-4520- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4520 is a high vulnerability (CVSS 7.1) in Ibm Cognos Analytics, published May 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.73%, the 86th percentile. No source names a fixed version.