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Fencer Intel
medium 4.8

CVE-2020-4903 json

IBM API Connect V10 and V2018 could allow an attacker who has intercepted a registration invitation link to impersonate the registered user…

published 5y ago modified 4mo ago also EUVD-2020-26150

cvss
4.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

IBM API Connect V10 and V2018 could allow an attacker who has intercepted a registration invitation link to impersonate the registered user or obtain sensitive information. IBM X-Force ID: 191105.

Patch / fix

  • ibm api_connect 10.0.1.1, 2018.4.1.13

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Exploit prediction

0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 4.8 CVSS:3.0/AV:N/S:U/C:L/A:N/AC:H/UI:N/PR:N/I:L/RL:O/E:U/RC:C
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CNA 3.0 4.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected products

  • IBM API Connect

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.