CVE-2017-5656

CVE-2017-5656 is a high-severity vulnerability in Apache Cxf with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-384.

Key facts

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.

Frequently asked questions

What is 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 which would return an identifer corresponding to a cached token for another user.
How severe is CVE-2017-5656?
CVE-2017-5656 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-5656 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5656?
CVE-2017-5656 affects Apache Cxf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5656?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-5656 published?
CVE-2017-5656 was published on 2017-04-18 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Apache Cxf

All CVEs affecting Apache Cxf →

Other CWE-384 (Session Fixation) vulnerabilities

Browse all CWE-384 (Session Fixation) vulnerabilities →