What is CVE-2015-0226?

CVE-2015-0226 is a high-severity vulnerability in Apache Wss4j, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2017-10-30.

How severe is CVE-2015-0226?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2015-0226 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Apache Wss4j

CVE-2015-0226

Apache WSS4J before 1.6.17 and 2.0.x before 2.0.2 improperly leaks information about decryption failures when decrypting an encrypted key or message data, which makes it easier for remote attackers to recover the plaintext form of a symmetric key via a series of crafted messages. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-2487.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2017-10-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.055 (92.8th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000

Affected products

Apache Wss4j — versions 2.0, 2.0.0, 2.0.1

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

access.redhat.com/errata/RHSA-2016:1376 (vendor-advisory)
rhn.redhat.com/errata/RHSA-2015-0849.html (vendor-advisory)
rhn.redhat.com/errata/RHSA-2015-1176.html (vendor-advisory)
rhn.redhat.com/errata/RHSA-2015-1177.html (vendor-advisory)
rhn.redhat.com/errata/RHSA-2015-0848.html (vendor-advisory)
rhn.redhat.com/errata/RHSA-2015-0846.html (vendor-advisory)
support.hpe.com/hpsc/doc/public/display
ws.apache.org/wss4j/advisories/CVE-2015-0226.txt.asc (Issue Tracking, Vendor Advisory)
rhn.redhat.com/errata/RHSA-2015-0847.html (vendor-advisory)
www.securityfocus.com/bid/72553 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2015-0226?: CVE-2015-0226 is a high-severity vulnerability in Apache Wss4j, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2017-10-30.
How severe is CVE-2015-0226?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2015-0226 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.