CVE-2023-40695
IBM Cognos Controller session fixation
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 264938.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- 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 session fixation
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 264938.
- Record
CVE-2023-40695- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-613
- Updated
- 2026-11-02
EUVDEUVD-2023-45251
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 264938.
- Record
EUVD-2023-45251- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5765-9mm7-gg46
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not invalidate session after logout which...
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 264938.
- Record
GHSA-5765-9mm7-gg46- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-613
- Updated
- 2026-11-02
NVD
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 264938.
- Record
CVE-2023-40695- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-613
- 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-2023-40695 is a medium vulnerability (CVSS 6.3) in Ibm Cognos Controller, published May 3, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.