What’s Vulnerable › Vulnerabilities
CVE-2017-5656
- Severity: high (CVSS 7.5 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 6.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-04-18 · updated 2026-06-17
- Weakness: CWE-384
Description
Apache CXF's STSClient before 3.1.11 and 3.0.13 uses a flawed way of caching tokens that are associated with delegation tokens, which means that an attacker could craft a token which would return an identifer corresponding to a cached token for another user.
Affected products
- Apache Software Foundation Apache CXF: from 3.0.0 before 3.0.13; from 3.1.0 before 3.1.11 — fixed in 3.0.13, 3.1.11
How to fix
Upgrade to a fixed version: Apache Software Foundation Apache CXF 3.0.13, 3.1.11. Check the vendor advisory for mitigations.
References
- http://cxf.apache.org/security-advisories.data/CVE-2017-5656.txt.asc?version=1&modificationDate=1492515113282&api=v2
- http://www.securityfocus.com/bid/97971
- http://www.securitytracker.com/id/1038282
- https://access.redhat.com/errata/RHSA-2017:1832
- https://access.redhat.com/errata/RHSA-2018:1694
- https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E
- http://cxf.apache.org/security-advisories.data/CVE-2017-5656.txt.asc?version=1&modificationDate=1492515113282&api=v2
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