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Fencer Vulns
medium 6.5

CVE-2020-4337 json

IBM API Connect 2018.4.1.0 through 2018.4.1.12 could allow an attacker to launch phishing attacks by tricking the server to generate user r…

published 2020-09-03 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25584

cvss
6.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

IBM API Connect 2018.4.1.0 through 2018.4.1.12 could allow an attacker to launch phishing attacks by tricking the server to generate user registration emails that contain malicious URLs. IBM X-Force ID: 177933.

Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 6.5 CVSS:3.0/I:H/AV:N/PR:N/A:N/UI:R/AC:L/S:U/C:N/RC:C/E:U/RL:O
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CNA 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • IBM API Connect

References

Sources

Fencer Vulns 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.