Vulnerability in Shibboleth Service Provider
CVE-2021-28963
Shibboleth Service Provider before 3.2.1 allows content injection because template generation uses attacker-controlled parameters.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
Affected products
- Shibboleth Service Provider
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- bugs.debian.org/985405 (Mailing List, Third Party Advisory)
- shibboleth.net/community/advisories/secadv_20210317.txt (Vendor Advisory)
- issues.shibboleth.net/jira/browse/SSPCPP-922 (Patch, Issue Tracking, Vendor Advisory)
- git.shibboleth.net/view/
- www.debian.org/security/2021/dsa-4872 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-28963?
- CVE-2021-28963 is a medium-severity vulnerability in Shibboleth Service Provider, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2021-03-22.
- How severe is CVE-2021-28963?
- Medium severity. CVSS v3 base score is 5.3 out of 10.