What is CVE-2020-27978?

CVE-2020-27978 is a high-severity vulnerability in Shibboleth Identity Provider, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2020-10-28.

How severe is CVE-2020-27978?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Shibboleth Identity Provider

CVE-2020-27978

Shibboleth Identify Provider 3.x before 3.4.6 has a denial of service flaw. A remote unauthenticated attacker can cause a login flow to trigger Java heap exhaustion due to the creation of objects in the Java Servlet container session.

EPSS: 0.019 (77.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Shibboleth Identity_provider
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-27978?: CVE-2020-27978 is a high-severity vulnerability in Shibboleth Identity Provider, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2020-10-28.
How severe is CVE-2020-27978?: High severity. CVSS v3 base score is 7.5 out of 10.