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Vulnerability details: VCID-uwup-esyc-aaae
Vulnerability ID VCID-uwup-esyc-aaae
Aliases CVE-2021-2021
Summary Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.22 and prior. Easily exploitable 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 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-2021.html
rhas Moderate https://access.redhat.com/errata/RHSA-2021:3590
rhas Moderate https://access.redhat.com/errata/RHSA-2021:3811
cvssv3 4.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2021.json
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
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epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
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epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
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epss 0.00187 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.51799 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.51799 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
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epss 0.51799 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.51799 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.51799 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.51799 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
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epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
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epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
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epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
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epss 0.54273 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
epss 0.74757 https://api.first.org/data/v1/epss?cve=CVE-2021-2021
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1922388
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2021
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-2021
cvssv3 4.9 https://nvd.nist.gov/vuln/detail/CVE-2021-2021
generic_textual Medium https://ubuntu.com/security/notices/USN-4716-1
cvssv3.1 9.8 https://www.oracle.com/security-alerts/cpujan2021.html
generic_textual CRITICAL https://www.oracle.com/security-alerts/cpujan2021.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-2021.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2021.json
https://api.first.org/data/v1/epss?cve=CVE-2021-2021
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2021
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57AG2T7NK3K/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQWRRSZ3HRC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CS5THZSGI7O2CZO44NWYE57AG2T7NK3K/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7EAHJPWOOF4D6PEFLXW5IQWRRSZ3HRC/
https://security.gentoo.org/glsa/202105-27
https://security.netapp.com/advisory/ntap-20210219-0003/
https://ubuntu.com/security/notices/USN-4716-1
https://www.oracle.com/security-alerts/cpujan2021.html
1922388 https://bugzilla.redhat.com/show_bug.cgi?id=1922388
980795 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=980795
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
CVE-2021-2021 https://nvd.nist.gov/vuln/detail/CVE-2021-2021
RHSA-2021:3590 https://access.redhat.com/errata/RHSA-2021:3590
RHSA-2021:3811 https://access.redhat.com/errata/RHSA-2021:3811
USN-4716-1 https://usn.ubuntu.com/4716-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2021.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2021-2021
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-2021
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpujan2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.56831
EPSS Score 0.00187
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.