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Fencer Intel
medium 6.3

CVE-2021-39066 json

IBM Financial Transaction Manager 3.2.4 does not invalidate session any existing session identifier gives an attacker the opportunity to st…

published 4y ago modified 4mo ago also EUVD-2021-25503

cvss
6.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

IBM Financial Transaction Manager 3.2.4 does not invalidate session any existing session identifier gives an attacker the opportunity to steal authenticated sessions. IBM X-Force ID: 215040.

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Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.3 CVSS:3.0/I:L/A:L/AC:L/UI:N/PR:L/C:L/AV:N/S:U/RL:O/E:U/RC:C
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.