High severity · published Apr 18, 2017
CVE-2017-5656
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…
7.5
CVSS
6.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.8% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CX
Cxf · Apache
3.0.0 before 3.0.13; 3.1.0 before 3.1.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5656
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5656
Patch
http://cxf.apache.org/security-advisories.data/CVE-2017-5656.txt.asc?version=1&modificationDate=1492515113282&api=v2
Third Party Advisory
http://www.securityfocus.com/bid/97971
Third Party Advisory
http://www.securitytracker.com/id/1038282
Issue Tracking
https://access.redhat.com/errata/RHSA-2017:1832
Issue Tracking
https://access.redhat.com/errata/RHSA-2018:1694
lists.apache.org
https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E
More from Cxf
9.8
CVE-2026-68079
Apache CXF: DefaultEncryptingCodeDataProvider allows unlimited authorization code replay
9.8
CVE-2026-66909
Apache CXF: Unsafe deserialization of inbound JMS ObjectMessage
9.8
CVE-2026-50628
Apache CXF: OAuth2: Inverted IP Binding Check Defeats Security Control
9.8
CVE-2026-49875
Apache CXF: XML External Entity (XXE) Injection in W3CMultiSchemaFactory and EndpointReferenceUtils
9.8
CVE-2026-44930
Apache CXF: LDAP Injection vulnerability in XKMS LDAP Repository