CVE-2021-28963
Published: 22 March 2021
Summary
CVE-2021-28963 is a medium-severity Injection (CWE-74) vulnerability in Shibboleth Service Provider. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 34.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-15612
Vulnerability details
Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.
Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.