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01 Record

CVE-2020-4555

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.

MediumPUBLISHEDCNA: ibm
CNA base score6.3 CVSS v3.xCVSS:3.0/S:U/UI:N/AV:N/PR:L/AC:L/I:L/C:L/A:L/E:U/RL:O/RC:C
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02 Description

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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.76% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 55.1% of scored records. A rank, not a probability.
NVD base score
5.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-12-21 17:50Z5 YR AGO
Last updated
2024-09-17 04:29Z2 YR AGO
Reserved
2019-12-30
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 6.3)
CNA CVSS vector
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
Weaknesses
Data version
5.1
Document digest
bee5007e8e6bfa3984c0871830c5f6778cd940a76995c2bdf2729d1460cd263f

05 Affected products

VendorProductVersionsPlatforms
IBMFinancial Transaction Manager3.0.2, 2.1.1, 3.1.0, 3.0.5, 3.0.6, 3.0.0, 3.2.2, 3.2.3, 3.2.4—

06 References