CVE-2020-27178

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Apereo CAS 5.3.x before 5.3.16, 6.x before 6.1.7.2, 6.2.x before 6.2.4, and 6.3.x before 6.3.0-RC4 mishandles secret keys with Google Authenticator for multifactor authentication.

Apereo CAS versiones 5.3.x anteriores a 5.3.16, versiones 6.x anteriores a 6.1.7.2, versiones 6.2.x anteriores a 6.2.4 y versiones 6.3.x anteriores a 6.3.0-RC4, maneja inapropiadamente las claves secretas con Google Authenticator para la autenticación multifactor

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-10-16 CVE Reserved
2020-10-16 CVE Published
2023-07-02 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://apereo.github.io/2020/10/14/gauthvuln	2021-07-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apereo Search vendor "Apereo"		Central Authentication Service Search vendor "Apereo" for product "Central Authentication Service"				>= 5.3.0 < 5.3.16 Search vendor "Apereo" for product "Central Authentication Service" and version " >= 5.3.0 < 5.3.16"		-		Affected
Apereo Search vendor "Apereo"		Central Authentication Service Search vendor "Apereo" for product "Central Authentication Service"				>= 6.0.0 < 6.1.7.2 Search vendor "Apereo" for product "Central Authentication Service" and version " >= 6.0.0 < 6.1.7.2"		-		Affected
Apereo Search vendor "Apereo"		Central Authentication Service Search vendor "Apereo" for product "Central Authentication Service"				>= 6.2.0 < 6.2.4 Search vendor "Apereo" for product "Central Authentication Service" and version " >= 6.2.0 < 6.2.4"		-		Affected
Apereo Search vendor "Apereo"		Central Authentication Service Search vendor "Apereo" for product "Central Authentication Service"				6.3.0 Search vendor "Apereo" for product "Central Authentication Service" and version "6.3.0"		rc1		Affected
Apereo Search vendor "Apereo"		Central Authentication Service Search vendor "Apereo" for product "Central Authentication Service"				6.3.0 Search vendor "Apereo" for product "Central Authentication Service" and version "6.3.0"		rc2		Affected
Apereo Search vendor "Apereo"		Central Authentication Service Search vendor "Apereo" for product "Central Authentication Service"				6.3.0 Search vendor "Apereo" for product "Central Authentication Service" and version "6.3.0"		rc3		Affected