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Fencer Intel
medium 5.9

CVE-2018-1443 json

An XML parsing vulnerability affects IBM SAML-based single sign-on (SSO) systems (IBM Security Access Manager 9.0.0 - 9.0.4 and IBM Tivoli…

published 8y ago modified 4mo ago also EUVD-2018-12022

cvss
5.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits
0
none known

Summary

An XML parsing vulnerability affects IBM SAML-based single sign-on (SSO) systems (IBM Security Access Manager 9.0.0 - 9.0.4 and IBM Tivoli Federated Identity Manager 6.2 - 6.0.2.) This vulnerability can allow an attacker with authenticated access to trick SAML systems into authenticating as a different user without knowledge of the victim users password. IBM X-Force ID: 139754.

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Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.9 CVSS:3.0/A:L/AC:L/AV:L/C:L/I:L/PR:N/S:U/UI:N
CNA 3.0 5.9 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 3.0 5.9 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • IBM Security Access Manager
  • IBM Tivoli Federated Identity Manager

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.