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Fencer Vulns
medium 5.5

CVE-2009-0891 json

The Web Services Security component in IBM WebSphere Application Server 7.0 before Fix Pack 1 (7.0.0.1), 6.1 before Fix Pack 23 (6.1.0.23),…

published 2009-03-25 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0888

cvss
5.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

The Web Services Security component in IBM WebSphere Application Server 7.0 before Fix Pack 1 (7.0.0.1), 6.1 before Fix Pack 23 (6.1.0.23),and 6.0.2 before Fix Pack 33 (6.0.2.33) does not properly enforce (1) nonce and (2) timestamp expiration values in WS-Security bindings as stored in the com.ibm.wsspi.wssecurity.core custom property, which allows remote authenticated users to conduct session hijacking attacks.

Patch / fix

Exploit prediction

1.76% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:P/A:N

Classification

Weakness

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.