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HIGH · 7.5

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 t...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
ShibbolethIdentity Provider>= 3.0.0, < 3.4.6

Related Weaknesses (CWE)

CWE-770

References

FAQ

What is CVE-2020-27978?

CVE-2020-27978 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 t...

How severe is CVE-2020-27978?

CVE-2020-27978 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27978?

Check the references section above for vendor advisories and patch information. Affected products include: Shibboleth Identity Provider.