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Vulnerability details: VCID-ezwh-7s5f-aaak
Vulnerability ID VCID-ezwh-7s5f-aaak
Aliases CVE-2021-2481
Summary Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.26 and prior. Easily exploitable vulnerability allows low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
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-2021-2481.html
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2481.json
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epss 0.00913 https://api.first.org/data/v1/epss?cve=CVE-2021-2481
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=2016091
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2481
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2021-2481
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2021-2481
generic_textual Medium https://ubuntu.com/security/notices/USN-5123-1
cvssv3.1 8.2 https://www.oracle.com/security-alerts/cpuoct2021.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuoct2021.html
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-2481.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2481.json
https://api.first.org/data/v1/epss?cve=CVE-2021-2481
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-2481
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5MLAXYFLUDC636S46X34USCLDZAOFBM2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PRCU3RTIPVKPC3GMC76YW7DJEXUEY6FG/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XF3ZFPL3JJ26YRUGXLXQZYJBLZV3WC2C/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5MLAXYFLUDC636S46X34USCLDZAOFBM2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PRCU3RTIPVKPC3GMC76YW7DJEXUEY6FG/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XF3ZFPL3JJ26YRUGXLXQZYJBLZV3WC2C/
https://security.netapp.com/advisory/ntap-20211022-0003/
https://ubuntu.com/security/notices/USN-5123-1
https://www.oracle.com/security-alerts/cpuoct2021.html
2016091 https://bugzilla.redhat.com/show_bug.cgi?id=2016091
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: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:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CVE-2021-2481 https://nvd.nist.gov/vuln/detail/CVE-2021-2481
RHSA-2022:6518 https://access.redhat.com/errata/RHSA-2022:6518
RHSA-2022:7119 https://access.redhat.com/errata/RHSA-2022:7119
USN-5123-1 https://usn.ubuntu.com/5123-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2481.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:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-2481
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:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-2481
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:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Found at https://www.oracle.com/security-alerts/cpuoct2021.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 0.47264
EPSS Score 0.00267
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.