SQL Injection in Shibboleth Service Provider
CVE-2025-9943
An SQL injection vulnerability has been identified in the "ID" attribute of the SAML response when the replay cache of the Shibboleth Service Provider (SP) is configured to use an SQL database as storage service. An unauthenticated attacker can exploit this issue via blind SQL injection, allowing for the extraction of arbitrary data from the database, if the database connection is configured to use the ODBC plugin. The vulnerability arises from insufficient escaping of single quotes in the class SQLString (file odbc-store.cpp, lines 253-271). This issue affects Shibboleth Service Provider through 3.5.0.
Vulnerability class: SQL Injection
EPSS: 0.004 (29.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Shibboleth Service Provider — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 551230f0-3615-47bd-b7cc-93e92e730bbf (vendor-advisory)
- 551230f0-3615-47bd-b7cc-93e92e730bbf (third-party-advisory)
- 551230f0-3615-47bd-b7cc-93e92e730bbf (patch)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-9943?
- CVE-2025-9943 is a critical-severity vulnerability in Shibboleth Service Provider, classified under SQL Injection. CVSS score: 9.1/10. Published 2025-09-10.
- How severe is CVE-2025-9943?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2025-9943 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.