CVE-2020-4555
IBM Financial Transaction Manager 3.0.6 and 3.1.0 does not invalidate session after logout which...
IBM Financial Transaction Manager 3.0.6 and 3.1.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 183328.
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
6.3
IBM Financial Transaction Manager 3.0.6 and 3.1.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 183328.
- Record
CVE-2020-4555- CVSS 3.0
- 6.3 Medium
CVSS:3.0/S:U/UI:N/AV:N/PR:L/AC:L/I:L/C:L/A:L/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-25802
6.3
IBM Financial Transaction Manager 3.0.6 and 3.1.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 183328.
- Record
EUVD-2020-25802- CVSS 3.0
- 6.3 Medium
CVSS:3.0/S:U/UI:N/AV:N/PR:L/AC:L/I:L/C:L/A:L/E:U/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-32xw-6g8c-rxjj No score
IBM Financial Transaction Manager 3.0.6 and 3.1.0 does not invalidate session after logout which...
IBM Financial Transaction Manager 3.0.6 and 3.1.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 183328.
- Record
GHSA-32xw-6g8c-rxjj- Weakness
- CWE-384
- Updated
- 2026-11-02
NVD
5.4
IBM Financial Transaction Manager 3.0.6 and 3.1.0 does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 183328.
- Record
CVE-2020-4555- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS 3.0
- 6.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-4555 is a medium vulnerability (CVSS 6.3) in Ibm Financial Transaction Manager, published December 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. No source names a fixed version.
References
ibm.com/support/pages/node/6388702
ibm.com/support/pages/node/6388744
ibm.com/support/pages/node/6388708
ibm.com/support/pages/node/6388706
ibm.com/support/pages/node/6388704
ibm.com/support/pages/node/6388722
exchange.xforce.ibmcloud.com/vulnerabilities/183328
nvd.nist.gov/vuln/detail/CVE-2020-4555
github.com/advisories/GHSA-32xw-6g8c-rxjj