Vulnerability Name:

CVE-2021-20718 (CCN-201849)

Assigned:2020-12-17
Published:2021-05-14
Updated:2023-05-25
Summary:
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-20718

Source: CCN
Type: JVN#49704918
mod_auth_openidc vulnerable to denial-of-service (DoS)

Source: XF
Type: UNKNOWN
zmartzone-cve202120718-dos(201849)

Source: CCN
Type: mod_auth_openidc GIT Repository
mod_auth_openidc

Source: vultures@jpcert.or.jp
Type: Product, Third Party Advisory
vultures@jpcert.or.jp

Source: vultures@jpcert.or.jp
Type: Third Party Advisory
vultures@jpcert.or.jp

Source: vultures@jpcert.or.jp
Type: Mailing List, Third Party Advisory
vultures@jpcert.or.jp

Source: vultures@jpcert.or.jp
Type: Mailing List, Third Party Advisory
vultures@jpcert.or.jp

Source: CCN
Type: Oracle CPUJan2022
Oracle Critical Patch Update Advisory - January 2022

Source: vultures@jpcert.or.jp
Type: Third Party Advisory
vultures@jpcert.or.jp

Source: vultures@jpcert.or.jp
Type: Vendor Advisory
vultures@jpcert.or.jp

Oval Definitions
Definition IDClassTitleLast Modified
oval:org.opensuse.security:def:127117
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:60281
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:23917
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:89402
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:51905
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:88134
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:33666
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:125550
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:59489
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:88447
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:33924
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:126720
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:59747
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:89144
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
oval:org.opensuse.security:def:34458
P
Security update for apache2-mod_auth_openidc (Important)
2021-06-08
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