Vulnerability CVE-2021-2174

Vulnerability Name:

CVE-2021-2174 (CCN-200301)

Assigned:

2020-12-09

Published:

2021-04-20

Updated:

2022-12-08

Summary:

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.33 and prior and 8.0.23 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

CVSS v3 Severity:

4.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

4.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

4.4 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.9 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): High Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

4.9 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2021-2174

Source: XF
Type: UNKNOWN
oracle-cpuapr2021-cve20212174(200301)

Source: secalert_us@oracle.com
Type: Mailing List, Third Party Advisory
secalert_us@oracle.com

Source: secalert_us@oracle.com
Type: Mailing List, Third Party Advisory
secalert_us@oracle.com

Source: secalert_us@oracle.com
Type: Mailing List, Third Party Advisory
secalert_us@oracle.com

Source: secalert_us@oracle.com
Type: Third Party Advisory
secalert_us@oracle.com

Source: CCN
Type: IBM Security Bulletin 6459943 (Security Guardium)
IBM Security Guardium is affected by a Oracle MySQL vulnerabilities

Source: CCN
Type: Oracle Critical Patch Update Advisory - April 2021
Oracle Critical Patch Update Advisory - April 2021

Source: secalert_us@oracle.com
Type: Vendor Advisory
secalert_us@oracle.com

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-2174

Vulnerable Configuration:

Configuration RedHat 1:

cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

Configuration RedHat 2:

cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

Configuration CCN 1:

cpe:/a:oracle:mysql:5.7.33:*:*:*:*:*:*:*

OR cpe:/a:oracle:mysql:8.0.23:*:*:*:*:*:*:*

AND

cpe:/a:ibm:security_guardium:10.5:*:*:*:*:*:*:*

OR cpe:/a:ibm:security_guardium:10.6:*:*:*:*:*:*:*

OR cpe:/a:ibm:security_guardium:11.0:*:*:*:*:*:*:*