CVE-2020-27978

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Shibboleth Identify Provider versiones 3.x anteriores a 3.4.6, presenta un fallo de denegación de servicio. Un atacante remoto no autenticado puede causar un flujo de inicio de sesión para desencadenar un agotamiento de la pila de Java debido a la creación de objetos en la sesión del contenedor Java Servlet

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-10-28 CVE Reserved
2020-10-28 CVE Published
2023-07-14 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-770: Allocation of Resources Without Limits or Throttling

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://shibboleth.net/community/advisories/secadv_20191002.txt	2022-02-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Shibboleth Search vendor "Shibboleth"		Identity Provider Search vendor "Shibboleth" for product "Identity Provider"				>= 3.0.0 < 3.4.6 Search vendor "Shibboleth" for product "Identity Provider" and version " >= 3.0.0 < 3.4.6"		-		Affected