CVE-2021-20718

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

mod_auth_openidc 2.4.0 to 2.4.7 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vectors.

mod_auth_openidc versiones 2.4.0 hasta 2.4.7, permite a un atacante remoto causar una condición de denegación de servicio (DoS) por medio de vectores no especificados

*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

2020-12-17 CVE Reserved
2021-05-20 CVE Published
2024-02-02 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (6)

URL	Tag	Source
https://github.com/zmartzone/mod_auth_openidc	Product
https://jvn.jp/en/jp/JVN49704918/index.html	Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5HJK366TLFEOIYWTHQSZO24MSDPBXHJU	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FV4KYMQWPS3I2QPW2C253MLIAFGBZPLK	2023-11-07
https://www.zmartzone.eu	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openidc Search vendor "Openidc"		Mod Auth Openidc Search vendor "Openidc" for product "Mod Auth Openidc"				>= 2.4.0 <= 2.4.7 Search vendor "Openidc" for product "Mod Auth Openidc" and version " >= 2.4.0 <= 2.4.7"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				33 Search vendor "Fedoraproject" for product "Fedora" and version "33"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected
Oracle Search vendor "Oracle"		Essbase Search vendor "Oracle" for product "Essbase"				< 21.3 Search vendor "Oracle" for product "Essbase" and version " < 21.3"		-		Affected