CVE-2020-4877
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized...
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized modifications by using public fields in public classes. IBM X-Force ID: 190843.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized modifications by using public fields in public classes. IBM X-Force ID: 190843.
- Record
CVE-2020-4877- CVSS 3.0
- 7.3 High
CVSS:3.0/I:L/UI:N/AV:N/AC:L/A:L/C:L/S:U/PR:N/RC:C/E:U/RL:O - Updated
- 2026-11-02
EUVDEUVD-2020-26124
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized modifications by using public fields in public classes. IBM X-Force ID: 190843.
- Record
EUVD-2020-26124- CVSS 3.0
- 7.3 High
CVSS:3.0/I:L/UI:N/AV:N/AC:L/A:L/C:L/S:U/PR:N/RC:C/E:U/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-96xp-643q-fhqg No score
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized...
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized modifications by using public fields in public classes. IBM X-Force ID: 190843.
- Record
GHSA-96xp-643q-fhqg- Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
IBM Cognos Controller 10.4.0, 10.4.1, and 10.4.2 could be vulnerable to unauthorized modifications by using public fields in public classes. IBM X-Force ID: 190843.
- Record
CVE-2020-4877- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-863
- 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-2020-4877 is a high vulnerability (CVSS 7.3) in Ibm Cognos Controller, published January 21, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. No source names a fixed version.